diff --git a/docs/examples/generate_interfaces.py b/docs/examples/generate_interfaces.py
index 76aac64..7be8e9f 100755
--- a/docs/examples/generate_interfaces.py
+++ b/docs/examples/generate_interfaces.py
@@ -42,9 +42,9 @@ def get_pci_interfaces():
             try:
                 subprocess.check_call(cmd, shell=True, stdout=FNULL)
                 ports.append(interface)
-            except:
+            except Exception:
                 pass
-    except:
+    except Exception:
         pass
     finally:
         FNULL.close()
@@ -63,7 +63,7 @@ def get_swp_interfaces():
                     ports.append(line.split()[0])
                 except ValueError:
                     continue
-    except:
+    except Exception:
         try:
             ports = get_pci_interfaces()
         except Exception as e:
diff --git a/ifupdown2/__main__.py b/ifupdown2/__main__.py
index 5e65c3d..d720529 100755
--- a/ifupdown2/__main__.py
+++ b/ifupdown2/__main__.py
@@ -29,7 +29,7 @@ import sys
 try:
     from ifupdown2.lib.log import LogManager, root_logger
     from ifupdown2.lib.status import Status
-except:
+except Exception:
     from lib.log import LogManager, root_logger
     from lib.status import Status
 
@@ -47,7 +47,7 @@ try:
 
     from ifupdown2.ifupdown.client import Client
     from ifupdown2.ifupdown.exceptions import ArgvParseHelp, ArgvParseError
-except:
+except Exception:
     import ifupdown.config as config
 
     config.__version__ = __import__("__init__").__version__
@@ -63,7 +63,7 @@ def daemon_mode():
     try:
         with open(config.IFUPDOWN2_CONF_PATH) as f:
             return "use_daemon=yes" in f.read()
-    except:
+    except Exception:
         return False
 
 
@@ -85,7 +85,7 @@ def stand_alone():
     try:
         from ifupdown2.ifupdown.main import Ifupdown2
         from ifupdown2.lib.nlcache import NetlinkListenerWithCache, NetlinkListenerWithCacheErrorNotInitialized
-    except:
+    except Exception:
         from ifupdown.main import Ifupdown2
         from lib.nlcache import NetlinkListenerWithCache, NetlinkListenerWithCacheErrorNotInitialized
     ifupdown2 = Ifupdown2(daemon=False, uid=os.geteuid())
diff --git a/ifupdown2/addons/address.py b/ifupdown2/addons/address.py
index a29414c..8b99b25 100644
--- a/ifupdown2/addons/address.py
+++ b/ifupdown2/addons/address.py
@@ -406,7 +406,7 @@ class address(Addon, moduleBase):
                         if old_hwaddress and utils.mac_str_to_int(old_hwaddress) != utils.mac_str_to_int(hwaddress):
                             self.iproute2.bridge_fdb_del(bridgename, old_hwaddress, vlan)
                             break
-                except:
+                except Exception:
                     pass
                 self.iproute2.bridge_fdb_add(bridgename, hwaddress, vlan)
             else:
@@ -973,7 +973,7 @@ class address(Addon, moduleBase):
                     dhclientcmd.release6(ifaceobj.name)
                     self.cache.force_address_flush_family(ifaceobj.name, socket.AF_INET6)
                     force_reapply = True
-        except:
+        except Exception:
             pass
 
         self.process_mtu(ifaceobj, ifaceobj_getfunc)
@@ -1224,7 +1224,7 @@ class address(Addon, moduleBase):
 
             if clagd_vxlan_anycast_ip in intf_running_addrs:
                 user_config_addrs.append(clagd_vxlan_anycast_ip)
-        except:
+        except Exception:
             pass
 
         # Set ifaceobjcurr method and family
@@ -1240,7 +1240,7 @@ class address(Addon, moduleBase):
             ifaceobjcurr.update_config_with_status('address', str(address), address not in intf_running_addrs)
             try:
                 intf_running_addrs.remove(address)
-            except:
+            except Exception:
                 pass
 
         # if any ip address is left in 'intf_running_addrs' it means that they
@@ -1283,7 +1283,7 @@ class address(Addon, moduleBase):
             for default_addr in self.default_loopback_addresses:
                 try:
                     intf_running_addrs.remove(default_addr)
-                except:
+                except Exception:
                     pass
             ifaceobjrunning.addr_family.append('inet')
             ifaceobjrunning.addr_method = 'loopback'
diff --git a/ifupdown2/addons/addressvirtual.py b/ifupdown2/addons/addressvirtual.py
index 9947175..f2b37f6 100644
--- a/ifupdown2/addons/addressvirtual.py
+++ b/ifupdown2/addons/addressvirtual.py
@@ -434,7 +434,7 @@ class addressvirtual(Addon, moduleBase):
                 # so for now we should only use the iproute2 API.
                 # try:
                 #    self.netlink.link_add_macvlan(ifname, macvlan_ifname)
-                # except:
+                # except Exception:
                 self.iproute2.link_add_macvlan(ifname, macvlan_ifname, macvlan_mode)
                 link_created = True
 
@@ -708,7 +708,7 @@ class addressvirtual(Addon, moduleBase):
                     for vrr_config in old_ifaceobj.get_attr_value("vrrp") or []:
                         try:
                             old_vrr_ids.add(vrr_config.split()[0])
-                        except:
+                        except Exception:
                             continue
 
                 if old_vrr_ids:
diff --git a/ifupdown2/addons/bond.py b/ifupdown2/addons/bond.py
index cb73f50..8d9c647 100644
--- a/ifupdown2/addons/bond.py
+++ b/ifupdown2/addons/bond.py
@@ -413,13 +413,13 @@ class bond(Addon, moduleBase):
 
         try:
             miimon = int(ifaceobj.get_attr_value_first('bond-miimon'))
-        except:
+        except Exception:
             try:
                 miimon = int(policymanager.policymanager_api.get_iface_default(
                     module_name=self.__class__.__name__,
                     ifname=ifaceobj.name,
                     attr='bond-miimon'))
-            except:
+            except Exception:
                 miimon = 0
 
         if not miimon:
@@ -618,7 +618,7 @@ class bond(Addon, moduleBase):
 
                     try:
                         bond_slaves.remove(lower_dev)
-                    except:
+                    except Exception:
                         pass
 
             else:
@@ -746,7 +746,7 @@ class bond(Addon, moduleBase):
                 running_bond_slaves = self.cache.get_slaves(ifaceobj.name)
 
             self._query_check_bond_slaves(ifaceobjcurr, 'bond-slaves', user_bond_slaves, running_bond_slaves)
-        except:
+        except Exception:
             pass
         try:
             del iface_attrs[iface_attrs.index('bond-ports')]
@@ -757,7 +757,7 @@ class bond(Addon, moduleBase):
                 running_bond_slaves = self.cache.get_slaves(ifaceobj.name)
 
             self._query_check_bond_slaves(ifaceobjcurr, 'bond-ports', user_bond_slaves, running_bond_slaves)
-        except:
+        except Exception:
             pass
 
         for attr in iface_attrs:
diff --git a/ifupdown2/addons/bridge.py b/ifupdown2/addons/bridge.py
index d990b66..c719657 100644
--- a/ifupdown2/addons/bridge.py
+++ b/ifupdown2/addons/bridge.py
@@ -678,7 +678,7 @@ class bridge(Addon, moduleBase):
             self.bridge_allow_multiple_vlans = utils.get_boolean_from_string(
                 self.sysctl_get('net.bridge.bridge-allow-multiple-vlans')
             )
-        except:
+        except Exception:
             # Cumulus Linux specific variable. Failure probably means that
             # ifupdown2 is running a a different system.
             self.bridge_allow_multiple_vlans = True
@@ -1027,7 +1027,7 @@ class bridge(Addon, moduleBase):
             if not waitportvals: return
             try:
                 waitporttime = int(waitportvals[0])
-            except:
+            except Exception:
                 self.log_warn('%s: invalid waitport value \'%s\''
                         %(ifaceobj.name, waitportvals[0]))
                 return
@@ -1172,7 +1172,7 @@ class bridge(Addon, moduleBase):
             # to avoid any side effect we remove the dummy brport from the
             # list of supposedly newly configured ports.
             newly_enslaved_ports.remove(dummy_brport)
-        except:
+        except Exception:
             pass
 
         return newly_enslaved_ports
@@ -1201,7 +1201,7 @@ class bridge(Addon, moduleBase):
         if not maxwait: return
         try:
             maxwait = int(maxwait)
-        except:
+        except Exception:
             self.log_warn('%s: invalid maxwait value \'%s\'' %(ifaceobj.name,
                     maxwait))
             return
@@ -1240,7 +1240,7 @@ class bridge(Addon, moduleBase):
                 else:
                     a = int(part)
                     result.append(a)
-        except:
+        except Exception:
             self.logger.warning('unable to parse vids \'%s\''
                              %''.join(rangelist))
             pass
@@ -1365,7 +1365,7 @@ class bridge(Addon, moduleBase):
         try:
             running_stp_state = self.read_file_oneline(stp_state_file)
             return running_stp_state and running_stp_state != '0'
-        except:
+        except Exception:
             return False
 
     def _is_config_stp_state_on(self, ifaceobj):
@@ -1461,7 +1461,7 @@ class bridge(Addon, moduleBase):
             # i.e. our default value is 31 but the kernel default seems to be 3125
             cached_ifla_info_data[Link.IFLA_BR_MCAST_STARTUP_QUERY_INTVL] //= 100
             cached_ifla_info_data[Link.IFLA_BR_MCAST_STARTUP_QUERY_INTVL] *= 100
-        except:
+        except Exception:
             pass
 
         for attr_name, nl_attr in self._ifla_br_attributes_map.items():
@@ -1704,7 +1704,7 @@ class bridge(Addon, moduleBase):
         for vlan in user_config_vids:
             try:
                 vids_list.remove(vlan)
-            except:
+            except Exception:
                 pass
 
         return vids_list
@@ -1929,7 +1929,7 @@ class bridge(Addon, moduleBase):
             # part of ifla_info_slave_data.
             try:
                 del brport_ifla_info_slave_data[Link.IFLA_BRPORT_LEARNING]
-            except:
+            except Exception:
                 pass
 
         #
@@ -2061,7 +2061,7 @@ class bridge(Addon, moduleBase):
                     if '=' in br_config:
                         try:
                             br_config = self.parse_interface_list_value(br_config)
-                        except:
+                        except Exception:
                             self.log_error('error while parsing \'%s %s\'' % (attr_name, br_config))
                             continue
 
@@ -2113,7 +2113,7 @@ class bridge(Addon, moduleBase):
                                 elif self.arp_nd_suppress_only_on_vxlan and brport_ifaceobj.link_kind & ifaceLinkKind.VXLAN:
                                     # ignore the case of VXLAN brport - handled later in the code
                                     continue
-                        except:
+                        except Exception:
                             continue
                     elif nl_attr == Link.IFLA_BRPORT_GROUP_FWD_MASK:
                         # special handking for group_fwd_mask because Cisco proprietary
@@ -2265,7 +2265,7 @@ class bridge(Addon, moduleBase):
                         # we need to remove this attribute from the request dictionary
                         try:
                             del brport_ifla_info_slave_data[Link.IFLA_BRPORT_NEIGH_SUPPRESS]
-                        except:
+                        except Exception:
                             pass
 
                     #
@@ -2318,7 +2318,7 @@ class bridge(Addon, moduleBase):
 
                 try:
                     vlans_str, vni_str = vlan_vni_map.split("=")
-                except:
+                except Exception:
                     return self.__warn_bridge_vlan_vni_map_syntax_error(vlan_vni_map)
 
                 vlans = self._ranges_to_ints([vlans_str])
@@ -2623,7 +2623,7 @@ class bridge(Addon, moduleBase):
 
         try:
             self.netlink.link_del(self.get_dummy_brport_name_for_bridge(ifname))
-        except:
+        except Exception:
             pass
 
         try:
@@ -2794,7 +2794,7 @@ class bridge(Addon, moduleBase):
             bridge_attributes_map = dict(self._ifla_br_attributes_map)
             try:
                 del bridge_attributes_map[Link.IFLA_BR_STP_STATE]
-            except:
+            except Exception:
                 pass
 
         #
@@ -2809,7 +2809,7 @@ class bridge(Addon, moduleBase):
 
         try:
             del bridge_attributes_map[Link.IFLA_BR_VLAN_STATS_ENABLED]
-        except:
+        except Exception:
             pass
 
         lambda_nl_value_int_divide100 = lambda x: str(x // 100)
@@ -3078,7 +3078,7 @@ class bridge(Addon, moduleBase):
         if utils.get_boolean_from_string(bridge_always_up):
             try:
                 link_exists = self.cache.link_exists(self.get_dummy_brport_name_for_bridge(ifname))
-            except:
+            except Exception:
                 link_exists = False
 
             ifaceobjcurr.update_config_with_status(
@@ -3219,7 +3219,7 @@ class bridge(Addon, moduleBase):
         if utils.get_boolean_from_string(ifaceobj.get_attr_value_first("bridge-always-up")):
             try:
                 running_port_list.remove(self.get_dummy_brport_name_for_bridge(ifaceobj.name))
-            except:
+            except Exception:
                 pass
 
         bridge_all_ports = []
@@ -3242,7 +3242,7 @@ class bridge(Addon, moduleBase):
                     if port_list[i] in running_port_list:
                         ordered.append(port_list[i])
                 port_list = ordered
-        except:
+        except Exception:
             port_list = running_port_list
 
         difference = set(running_port_list).symmetric_difference(bridge_all_ports)
@@ -3524,7 +3524,7 @@ class bridge(Addon, moduleBase):
 
             try:
                 vlans_str, vni_str = bridge_vlan_vni_map.split("=")
-            except:
+            except Exception:
                 ifaceobjcurr.update_config_with_status("bridge-vlan-vni-map", bridge_vlan_vni_map, 1)
                 return self.__warn_bridge_vlan_vni_map_syntax_error(bridge_vlan_vni_map)
 
@@ -3541,7 +3541,7 @@ class bridge(Addon, moduleBase):
             try:
                 for vlan in vlans_list:
                     cached_vlans.remove(vlan)
-            except:
+            except Exception:
                 ifaceobjcurr.update_config_with_status("bridge-vlan-vni-map", bridge_vlan_vni_map, 1)
                 fail = True
                 continue
@@ -3549,7 +3549,7 @@ class bridge(Addon, moduleBase):
             try:
                 for vni in vnis_list:
                     cached_vnis.remove(vni)
-            except:
+            except Exception:
                 ifaceobjcurr.update_config_with_status("bridge-vlan-vni-map", bridge_vlan_vni_map, 1)
                 fail = True
                 continue
@@ -3616,7 +3616,7 @@ class bridge(Addon, moduleBase):
                 try:
                     config_per_port_dict = self.parse_interface_list_value(user_config_l2protocol_tunnel)
                     brport_list = list(config_per_port_dict.keys())
-                except:
+                except Exception:
                     ifaceobjcurr.update_config_with_status('bridge-l2protocol-tunnel', user_config_l2protocol_tunnel, 1)
                     return
             else:
diff --git a/ifupdown2/addons/bridgevlan.py b/ifupdown2/addons/bridgevlan.py
index e6f536f..a8b8255 100644
--- a/ifupdown2/addons/bridgevlan.py
+++ b/ifupdown2/addons/bridgevlan.py
@@ -72,7 +72,7 @@ class bridgevlan(Addon, moduleBase):
         try:
             (bridgename, vlan) = self._get_bridge_n_vlan(ifaceobj)
             vlanid = int(vlan, 10)
-        except:
+        except Exception:
             self.log_error("%s: bridge vlan interface name does not correspond "
                            "to format (eg. br0.100)" % ifaceobj.name, ifaceobj)
             raise
@@ -105,7 +105,7 @@ class bridgevlan(Addon, moduleBase):
         try:
             (bridgename, vlan) = self._get_bridge_n_vlan(ifaceobj)
             vlanid = int(vlan, 10)
-        except:
+        except Exception:
             self.logger.warning("%s: bridge vlan interface name does not "
                              "correspond to format (eg. br0.100)" % ifaceobj.name)
             raise
diff --git a/ifupdown2/addons/dhcp.py b/ifupdown2/addons/dhcp.py
index b27dfce..71a8bdf 100644
--- a/ifupdown2/addons/dhcp.py
+++ b/ifupdown2/addons/dhcp.py
@@ -61,7 +61,7 @@ class dhcp(Addon, moduleBase):
                     attr="dhclient_retry_on_failure"
                 )
             )
-        except:
+        except Exception:
             self.dhclient_retry_on_failure = self.DHCLIENT_RETRY_ON_FAILURE
 
         if self.dhclient_retry_on_failure < 0:
@@ -93,7 +93,7 @@ class dhcp(Addon, moduleBase):
 
                 if ip:
                     ips.add(ip)
-        except:
+        except Exception:
             pass
         return ips
 
@@ -149,7 +149,7 @@ class dhcp(Addon, moduleBase):
                 ifname=ifaceobj.name, attr='dhcp6-ll-wait')
             try:
                 timeout = int(dhcp6_ll_wait)+1
-            except:
+            except Exception:
                 timeout = 10
                 pass
             dhcp6_duid = policymanager.policymanager_api.get_iface_default(module_name=self.__class__.__name__, \
@@ -171,7 +171,7 @@ class dhcp(Addon, moduleBase):
                     try:
                         if not ifupdownflags.flags.PERFMODE:
                             self.dhclientcmd.stop(ifaceobj.name)
-                    except:
+                    except Exception:
                         pass
 
                     self.dhclient_start_and_check(
@@ -199,7 +199,7 @@ class dhcp(Addon, moduleBase):
                                 '.autoconf', autoconf)
                         try:
                             self.dhclientcmd.stop6(ifaceobj.name, duid=dhcp6_duid)
-                        except:
+                        except Exception:
                             pass
                     #add delay before starting IPv6 dhclient to
                     #make sure the configured interface/link is up.
@@ -227,7 +227,7 @@ class dhcp(Addon, moduleBase):
             if not family in ifaceobj.addr_family and dhclientX_running:
                 ifaceobj.addr_family = [family]
                 self._dhcp_down(ifaceobj)
-        except:
+        except Exception:
             pass
         finally:
             ifaceobj.addr_family = addr_family
@@ -319,7 +319,7 @@ class dhcp(Addon, moduleBase):
                    (ifaceobj.addr_method != 'dhcp' and
                        ifaceobj.addr_method != 'dhcp6')):
                 return
-        except:
+        except Exception:
             return
         if not self.is_dhcp_allowed_on(ifaceobj, syntax_check=False):
             return
diff --git a/ifupdown2/addons/mstpctl.py b/ifupdown2/addons/mstpctl.py
index 4096590..b2632b0 100644
--- a/ifupdown2/addons/mstpctl.py
+++ b/ifupdown2/addons/mstpctl.py
@@ -424,7 +424,7 @@ class mstpctl(Addon, moduleBase):
                 try:
                     running_val = self.mstpctlcmd.get_bridge_attr(
                                     ifaceobj.name, jsonAttr)
-                except:
+                except Exception:
                     self.logger.info('%s: could not get running %s value'
                                      %(ifaceobj.name, attrname))
                     running_val = None
@@ -612,7 +612,7 @@ class mstpctl(Addon, moduleBase):
             try:
                 running_val = self.mstpctlcmd.get_bridge_port_attr(bridgename,
                                                        ifaceobj.name, jsonAttr)
-            except:
+            except Exception:
                 self.logger.info('%s %s: could not get running %s value'
                                  %(bridgename, ifaceobj.name, attrname))
                 running_val = None
@@ -892,7 +892,7 @@ class mstpctl(Addon, moduleBase):
                         jsonAttr =  self.get_mod_subattr(k, 'jsonAttr')
                         try:
                             running_val = self.mstpctlcmd.get_bridge_port_attr(ifaceobj.name, bport, jsonAttr)
-                        except:
+                        except Exception:
                             self.logger.info('%s %s: could not get running %s value'
                                     %(ifaceobj.name, bport, attr))
                             running_val = None
@@ -1015,7 +1015,7 @@ class mstpctl(Addon, moduleBase):
                             try:
                                 running_val = self.mstpctlcmd.get_bridge_port_attr(bifaceobj.name,
                                                     ifaceobj.name, jsonAttr)
-                            except:
+                            except Exception:
                                 self.logger.info('%s %s: could not get running %s value'
                                         %(bifaceobj.name, ifaceobj.name, attr))
                                 running_val = None
diff --git a/ifupdown2/addons/openvswitch.py b/ifupdown2/addons/openvswitch.py
index 43aca48..8ba2806 100644
--- a/ifupdown2/addons/openvswitch.py
+++ b/ifupdown2/addons/openvswitch.py
@@ -13,7 +13,7 @@ try:
     from ifupdown2.ifupdown.exceptions import moduleNotSupported
     import ifupdown2.ifupdown.ifupdownflags as ifupdownflags
 
-except:
+except Exception:
     from lib.addon import Addon
 
     from ifupdown.iface import *
diff --git a/ifupdown2/addons/openvswitch_port.py b/ifupdown2/addons/openvswitch_port.py
index 72bd4bf..856a023 100644
--- a/ifupdown2/addons/openvswitch_port.py
+++ b/ifupdown2/addons/openvswitch_port.py
@@ -13,7 +13,7 @@ try:
     from ifupdown2.ifupdown.exceptions import moduleNotSupported
     import ifupdown2.ifupdown.ifupdownflags as ifupdownflags
 
-except:
+except Exception:
     from lib.addon import Addon
 
     from ifupdown.iface import *
diff --git a/ifupdown2/addons/tunnel.py b/ifupdown2/addons/tunnel.py
index 5c8a69a..66d6178 100644
--- a/ifupdown2/addons/tunnel.py
+++ b/ifupdown2/addons/tunnel.py
@@ -205,7 +205,7 @@ class tunnel(Addon, moduleBase):
         """
         try:
             user_config[attr_name] = ipnetwork.IPNetwork(user_config[attr_name])
-        except:
+        except Exception:
             pass
 
     def _query_check(self, ifaceobj, ifaceobjcurr):
diff --git a/ifupdown2/addons/vrf.py b/ifupdown2/addons/vrf.py
index 5c37968..91e9b4c 100644
--- a/ifupdown2/addons/vrf.py
+++ b/ifupdown2/addons/vrf.py
@@ -465,7 +465,7 @@ class vrf(Addon, moduleBase):
                 dhclient_cmd_prefix = '%s %s' %(self.vrf_exec_cmd_prefix,
                                                 vrfname)
             self.dhclientcmd.release(ifaceobj.name, dhclient_cmd_prefix)
-        except:
+        except Exception:
             # ignore any dhclient release errors
             pass
 
diff --git a/ifupdown2/addons/vrrpd.py b/ifupdown2/addons/vrrpd.py
index e09d154..c343eaf 100644
--- a/ifupdown2/addons/vrrpd.py
+++ b/ifupdown2/addons/vrrpd.py
@@ -52,7 +52,7 @@ class vrrpd(moduleBase):
         try:
             cmdl = [utils.pidof_cmd, cmdname]
             pidstr = utils.exec_commandl(cmdl, stderr=None).strip('\n')
-        except:
+        except Exception:
             pass
         if not pidstr:
            return []
@@ -70,7 +70,7 @@ class vrrpd(moduleBase):
                 self.logger.info('(%d) (%d)' %(len(pcmdline), len(tmpcmdline)))
                 if pcmdline and pcmdline == tmpcmdline:
                    targetpids.append(pid)
-            except:
+            except Exception:
                 pass
         return targetpids
 
diff --git a/ifupdown2/addons/vxlan.py b/ifupdown2/addons/vxlan.py
index 9b080d6..f498b16 100644
--- a/ifupdown2/addons/vxlan.py
+++ b/ifupdown2/addons/vxlan.py
@@ -151,7 +151,7 @@ class vxlan(Addon, moduleBase):
                 self.logger.warning('%s: vxlan-local-tunnelip and clagd-vxlan-anycast-ip are identical (%s)'
                                     % (ifname, local_ip))
                 return False
-        except:
+        except Exception:
             pass
         return True
 
@@ -266,7 +266,7 @@ class vxlan(Addon, moduleBase):
 
                 if vxlan_ageing_str:
                     return int(vxlan_ageing_str)
-        except:
+        except Exception:
             self.log_error("%s: invalid vxlan-ageing '%s'" % (ifname, vxlan_ageing_str), ifaceobj)
 
     def __config_vxlan_ageing(self, ifname, ifaceobj, link_exists, user_request_vxlan_info_data, cached_vxlan_ifla_info_data):
@@ -324,7 +324,7 @@ class vxlan(Addon, moduleBase):
 
             self.logger.info("%s: set vxlan-port %s" % (ifname, vxlan_port))
             user_request_vxlan_info_data[Link.IFLA_VXLAN_PORT] = vxlan_port
-        except:
+        except Exception:
             self.log_error("%s: invalid vxlan-port '%s'" % (ifname, vxlan_port_str), ifaceobj)
 
     def __config_vxlan_ttl(self, ifname, ifaceobj, user_request_vxlan_info_data, cached_vxlan_ifla_info_data):
@@ -357,7 +357,7 @@ class vxlan(Addon, moduleBase):
                     self.logger.info("%s: set vxlan-ttl %s" % (ifname, vxlan_ttl_str if vxlan_ttl_str else vxlan_ttl))
 
                 user_request_vxlan_info_data[Link.IFLA_VXLAN_TTL] = vxlan_ttl
-        except:
+        except Exception:
             self.log_error("%s: invalid vxlan-ttl '%s'" % (ifname, vxlan_ttl_str), ifaceobj)
 
     def __config_vxlan_local_tunnelip(self, ifname, ifaceobj, link_exists, user_request_vxlan_info_data, cached_vxlan_ifla_info_data):
@@ -596,7 +596,7 @@ class vxlan(Addon, moduleBase):
             except NetlinkCacheIfnameNotFoundError:
                 try:
                     vxlan_physdev_ifindex = int(self.sysfs.read_file_oneline("/sys/class/net/%s/ifindex" % vxlan_physdev))
-                except:
+                except Exception:
                     self.logger.error("%s: physdev %s doesn't exists" % (ifaceobj.name, vxlan_physdev))
                     return
 
@@ -746,7 +746,7 @@ class vxlan(Addon, moduleBase):
                         "00:00:00:00:00:00",
                         None, True, addr
                     )
-                except:
+                except Exception:
                     pass
 
             for addr in add_list:
@@ -756,7 +756,7 @@ class vxlan(Addon, moduleBase):
                         "00:00:00:00:00:00",
                         None, True, addr
                     )
-                except:
+                except Exception:
                     pass
 
     def _down(self, ifaceobj):
diff --git a/ifupdown2/ifupdown/argv.py b/ifupdown2/ifupdown/argv.py
index cb32e05..47c0d63 100644
--- a/ifupdown2/ifupdown/argv.py
+++ b/ifupdown2/ifupdown/argv.py
@@ -112,7 +112,7 @@ class Parse:
                 if self.executable_name.endswith(key):
                     return value
             raise ArgvParseError("Unexpected executable. Should be '%s'" % "' or '".join(list(self.valid_ops.keys())))
-        except:
+        except Exception:
             raise ArgvParseError("Unexpected executable. Should be '%s'" % "' or '".join(list(self.valid_ops.keys())))
 
     def get_args(self):
diff --git a/ifupdown2/ifupdown/client.py b/ifupdown2/ifupdown/client.py
index 692d10b..f63bdcb 100644
--- a/ifupdown2/ifupdown/client.py
+++ b/ifupdown2/ifupdown/client.py
@@ -180,12 +180,12 @@ class Client(SocketIO):
         try:
             self.uds.close()
             self.uds = None
-        except:
+        except Exception:
             pass
         try:
             self.socket_receiver.server_close()
             self.socket_receiver = None
-        except:
+        except Exception:
             pass
 
     def __signal_handler(self, sig, frame):
diff --git a/ifupdown2/ifupdown/graph.py b/ifupdown2/ifupdown/graph.py
index 6352e44..2e58143 100644
--- a/ifupdown2/ifupdown/graph.py
+++ b/ifupdown2/ifupdown/graph.py
@@ -54,7 +54,7 @@ class graph():
             for y in dlist:
                 try:
                     indegrees[y] = indegrees.get(y) - 1
-                except:
+                except Exception:
                     cls.logger.debug('topological_sort_graphs_all: did not find %s' %y)
                     indegrees[y] = 0
                     pass
diff --git a/ifupdown2/ifupdown/iface.py b/ifupdown2/ifupdown/iface.py
index d834512..15afe08 100644
--- a/ifupdown2/ifupdown/iface.py
+++ b/ifupdown2/ifupdown/iface.py
@@ -542,7 +542,7 @@ class iface():
         if attr_value_list:
             try:
                 return attr_value_list[attr_index]
-            except:
+            except Exception:
                 return None
         return None
 
@@ -576,7 +576,7 @@ class iface():
         """ add attribute name and value to the interface config """
         try:
             del self.config[attr_name]
-        except:
+        except Exception:
             pass
 
     def update_config_dict(self, attrdict):
diff --git a/ifupdown2/ifupdown/ifupdownmain.py b/ifupdown2/ifupdown/ifupdownmain.py
index 549923e..437eea5 100644
--- a/ifupdown2/ifupdown/ifupdownmain.py
+++ b/ifupdown2/ifupdown/ifupdownmain.py
@@ -118,7 +118,7 @@ class ifupdownMain:
             return
         try:
             self.netlink.link_up(ifaceobj.name)
-        except:
+        except Exception:
             if ifaceobj.addr_method == 'manual':
                 pass
             else:
@@ -158,7 +158,7 @@ class ifupdownMain:
                 self.netlink.link_down(ifaceobj.name)
             else:
                 self.logger.info("%s: ifupdown2 cannot bring loopback interface down" % ifaceobj.name)
-        except:
+        except Exception:
             if ifaceobj.addr_method == 'manual':
                 pass
             else:
@@ -189,14 +189,14 @@ class ifupdownMain:
             ifupdown2.ifupdown.ifupdownflags.reset()
             ifupdownConfig.reset()
             ifupdown2.ifupdownaddons.mstpctlutil.mstpctlutil.reset()
-        except:
+        except Exception:
             try:
                 ifupdown.statemanager.reset()
                 ifupdown.policymanager.reset()
                 ifupdown.ifupdownflags.reset()
                 ifupdownConfig.reset()
                 ifupdownaddons.mstpctlutil.mstpctlutil.reset()
-            except:
+            except Exception:
                 pass
 
     def ignore_error(self, errmsg):
@@ -421,12 +421,12 @@ class ifupdownMain:
             mgmt_iface_default_prefix = ifupdown2.ifupdown.policymanager.policymanager_api.get_module_globals(
                 module_name='main', attr='mgmt_intf_prefix'
             )
-        except:
+        except Exception:
             try:
                 mgmt_iface_default_prefix = ifupdown.policymanager.policymanager_api.get_module_globals(
                     module_name='main', attr='mgmt_intf_prefix'
                 )
-            except:
+            except Exception:
                 pass
         if not mgmt_iface_default_prefix:
             mgmt_iface_default_prefix = "eth"
@@ -846,7 +846,7 @@ class ifupdownMain:
                             for d in difaceobjs:
                                 d.dec_refcnt()
                                 d.upperifaces.remove(i)
-                        except:
+                        except Exception:
                             self.logger.debug('error removing %s from %s upperifaces' %(i, d))
                             pass
                 self.logger.debug("populate_dependency_info: deleting blacklisted interface %s" %i)
@@ -1082,7 +1082,7 @@ class ifupdownMain:
                 for arg in value.replace(",", " ").split():
                     if arg not in ['all', 'stp', 'lldp', 'lacp', 'cdp', 'pvst']:
                         return False
-        except:
+        except Exception:
             return False
         return True
 
@@ -1215,7 +1215,7 @@ class ifupdownMain:
                     if prev:
                         return False
                     prev = True
-                except:
+                except Exception:
                     prev = False
             return not prev
         except Exception as e:
@@ -1440,14 +1440,14 @@ class ifupdownMain:
                                 self.logger.info('module %s not loaded (%s)'
                                                  %(mname, str(e)))
                                 continue
-                            except:
+                            except Exception:
                                 raise
                             self.modules[mname] = minstance
                             try:
                                 self.module_attrs[mname] = minstance.get_modinfo()
-                            except:
+                            except Exception:
                                 pass
-            except:
+            except Exception:
                 raise
 
         # Assign all modules to query operations
@@ -1512,7 +1512,7 @@ class ifupdownMain:
                         print('%sexample:' %(indent + '  '))
                         for e in examples:
                             print('%s%s' %(indent + '    ', e))
-                except:
+                except Exception:
                     pass
                 print('')
 
@@ -1534,7 +1534,7 @@ class ifupdownMain:
                     if self.modules.get(module) or module in self.overridden_ifupdown_scripts:
                         continue
                     self.script_ops[op].append(msubdir + '/' + module)
-            except:
+            except Exception:
                 # continue reading
                 pass
 
@@ -1731,7 +1731,7 @@ class ifupdownMain:
             return ifupdown2.ifupdown.policymanager.policymanager_api.get_iface_default(
                                     module_name='main', ifname=ifacename,
                                     attr='exclude-companion')
-        except:
+        except Exception:
             return ifupdown.policymanager.policymanager_api.get_iface_default(
                                     module_name='main', ifname=ifacename,
                                     attr='exclude-companion')
@@ -2070,7 +2070,7 @@ class ifupdownMain:
 
         try:
             iface_read_ret = self.read_iface_config()
-        except:
+        except Exception:
             raise
         if not self.ifaceobjdict:
             self.logger.warning("nothing to reload ..exiting.")
@@ -2164,7 +2164,7 @@ class ifupdownMain:
 
         try:
             iface_read_ret = self.read_iface_config()
-        except:
+        except Exception:
             raise
 
         if not self.ifaceobjdict:
diff --git a/ifupdown2/ifupdown/main.py b/ifupdown2/ifupdown/main.py
index 77d9480..5ab07fa 100644
--- a/ifupdown2/ifupdown/main.py
+++ b/ifupdown2/ifupdown/main.py
@@ -196,7 +196,7 @@ class Ifupdown2:
                                    printdependency=args.printdependency,
                                    syntaxcheck=args.syntaxcheck, type=args.type,
                                    skipupperifaces=args.skipupperifaces)
-        except:
+        except Exception:
             raise
 
     def run_down(self, args):
@@ -222,7 +222,7 @@ class Ifupdown2:
                                  printdependency=args.printdependency,
                                  usecurrentconfig=args.usecurrentconfig,
                                  type=args.type)
-        except:
+        except Exception:
             raise
 
     def run_query(self, args):
@@ -267,7 +267,7 @@ class Ifupdown2:
                                   excludepats=args.excludepats,
                                   printdependency=args.printdependency,
                                   format=args.format, type=args.type)
-        except:
+        except Exception:
             raise
 
     def run_reload(self, args):
@@ -288,5 +288,5 @@ class Ifupdown2:
                                    usecurrentconfig=args.usecurrentconfig,
                                    syntaxcheck=args.syntaxcheck,
                                    currentlyup=args.currentlyup)
-        except:
+        except Exception:
             raise
diff --git a/ifupdown2/ifupdown/networkinterfaces.py b/ifupdown2/ifupdown/networkinterfaces.py
index 97ebfc4..3dd43bb 100644
--- a/ifupdown2/ifupdown/networkinterfaces.py
+++ b/ifupdown2/ifupdown/networkinterfaces.py
@@ -82,7 +82,7 @@ class networkInterfaces():
     def _currentfile(self):
         try:
             return self._filestack[-1]
-        except:
+        except Exception:
             return self.interfacesfile
 
     def _parse_error(self, filename, lineno, msg):
@@ -209,7 +209,7 @@ class networkInterfaces():
                         'iface %s: unsupported keyword (%s)'
                         %(ifacename, attrname))
                 return
-        except:
+        except Exception:
             pass
         attrvallist = iface_config.get(newattrname, [])
         if newattrname in ['scope', 'netmask', 'broadcast', 'preferred-lifetime']:
diff --git a/ifupdown2/ifupdown/statemanager.py b/ifupdown2/ifupdown/statemanager.py
index 62b0148..cc4da99 100644
--- a/ifupdown2/ifupdown/statemanager.py
+++ b/ifupdown2/ifupdown/statemanager.py
@@ -33,7 +33,7 @@ class pickling():
             with open(filename, 'wb') as f:
                 for obj in list_of_objects:
                     pickle.dump(obj, f, pickle.HIGHEST_PROTOCOL)
-        except:
+        except Exception:
             raise
 
     @classmethod
@@ -41,7 +41,7 @@ class pickling():
         """ pickle iface object """
         try:
             pickle.dump(obj, f, pickle.HIGHEST_PROTOCOL)
-        except:
+        except Exception:
             raise
 
     @classmethod
@@ -51,7 +51,7 @@ class pickling():
             while True:
                 try: yield pickle.load(f)
                 except EOFError: break
-                except: raise
+                except Exception: raise
 
 class stateManager():
     """ state manager for managing ifupdown iface obj state
@@ -200,7 +200,7 @@ class stateManager():
                 for ifaceobjs in list(self.ifaceobjdict.values()):
                     [pickling.save_obj(f, i) for i in ifaceobjs]
             open('%s/%s' %(self.state_rundir, self.state_runlockfile), 'w').close()
-        except:
+        except Exception:
             raise
 
     def dump_pretty(self, ifacenames, format='native'):
diff --git a/ifupdown2/ifupdown/utils.py b/ifupdown2/ifupdown/utils.py
index d34f559..d638fe9 100644
--- a/ifupdown2/ifupdown/utils.py
+++ b/ifupdown2/ifupdown/utils.py
@@ -194,7 +194,7 @@ class utils():
     def get_int_from_boolean_and_string(value):
         try:
             return int(value)
-        except:
+        except Exception:
             return int(utils.get_boolean_from_string(value))
 
     @staticmethod
diff --git a/ifupdown2/ifupdownaddons/dhclient.py b/ifupdown2/ifupdownaddons/dhclient.py
index c6c51a0..cf03f9a 100644
--- a/ifupdown2/ifupdownaddons/dhclient.py
+++ b/ifupdown2/ifupdownaddons/dhclient.py
@@ -29,9 +29,9 @@ class dhclient(utilsBase):
                 try:
                     if e.errno == errno.EACCES:
                         return os.path.exists("/proc/%s" % self.read_file_oneline(pidfilename))
-                except:
+                except Exception:
                     return False
-            except:
+            except Exception:
                 return False
         return False
 
diff --git a/ifupdown2/ifupdownaddons/modulebase.py b/ifupdown2/ifupdownaddons/modulebase.py
index f77bbff..589513d 100644
--- a/ifupdown2/ifupdownaddons/modulebase.py
+++ b/ifupdown2/ifupdownaddons/modulebase.py
@@ -120,7 +120,7 @@ class moduleBase(object):
         try:
             utils.exec_command('%s -x %s' %
                                (utils.pidof_cmd, procName))
-        except:
+        except Exception:
             return False
         else:
             return True
@@ -132,14 +132,14 @@ class moduleBase(object):
                 lines = f.readlines()
                 for line in lines[2:]:
                     ifacenames.append(line.split()[0].strip(': '))
-            except:
+            except Exception:
                 raise
         return ifacenames
 
     def parse_regex(self, ifacename, expr, ifacenames=None):
         try:
             proc_ifacenames = self.get_ifaces_from_proc()
-        except:
+        except Exception:
             self.logger.warning('%s: error reading ifaces from proc' %ifacename)
 
         for proc_ifacename in proc_ifacenames:
@@ -292,7 +292,7 @@ class moduleBase(object):
             self.logger.info('reading \'%s\'' %filename)
             with open(filename, 'r') as f:
                 return f.readlines()
-        except:
+        except Exception:
             return None
         return None
 
@@ -302,7 +302,7 @@ class moduleBase(object):
             self.logger.info('reading \'%s\'' %filename)
             with open(filename, 'r') as f:
                 return f.readline().strip('\n')
-        except:
+        except Exception:
             return None
         return None
 
@@ -325,7 +325,7 @@ class moduleBase(object):
             return self._bridge_stp_user_space
         try:
             self._bridge_stp_user_space = self.sysctl_get('net.bridge.bridge-stp-user-space')
-        except:
+        except Exception:
             self._bridge_stp_user_space = 0
 
         return self._bridge_stp_user_space
@@ -379,14 +379,14 @@ class moduleBase(object):
                 if 'aliases' in attrvals:
                     retattrs.extend(attrvals['aliases'])
             return retattrs
-        except:
+        except Exception:
             return None
 
     def get_mod_attr(self, attrname):
         """ returns module attr info """
         try:
             return self._modinfo.get('attrs', {}).get(attrname)
-        except:
+        except Exception:
             return None
 
     def get_mod_subattr(self, attrname, subattrname):
@@ -394,14 +394,14 @@ class moduleBase(object):
         try:
             return reduce(lambda d, k: d[k], ['attrs', attrname, subattrname],
                          self._modinfo)
-        except:
+        except Exception:
             return None
 
     def get_modinfo(self):
         """ return module info """
         try:
             return self._modinfo
-        except:
+        except Exception:
             return {}
 
     def get_attr_default_value(self, attrname):
@@ -411,7 +411,7 @@ class moduleBase(object):
         """ return the ifupdown scripts replaced by the current module """
         try:
             return self.overrides_ifupdown_scripts
-        except:
+        except Exception:
             return []
 
     def _get_reserved_vlan_range(self):
@@ -482,7 +482,7 @@ class moduleBase(object):
             return -1
         try:
             vid = int(vid_str)
-        except:
+        except Exception:
             return -1
         return vid
 
@@ -499,7 +499,7 @@ class moduleBase(object):
         vid_str = ifaceobj.get_attr_value_first('vlan-id')
         try:
             if vid_str: return int(vid_str)
-        except:
+        except Exception:
             return -1
 
         return self._get_vlan_id_from_ifacename(ifaceobj.name)
diff --git a/ifupdown2/ifupdownaddons/mstpctlutil.py b/ifupdown2/ifupdownaddons/mstpctlutil.py
index 9424fc1..0e0026b 100644
--- a/ifupdown2/ifupdownaddons/mstpctlutil.py
+++ b/ifupdown2/ifupdownaddons/mstpctlutil.py
@@ -96,7 +96,7 @@ class mstpctlutil(utilsBase):
                 "%s batch -" % utils.mstpctl_cmd,
                 stdin="\n".join(self.__batch)
             )
-        except:
+        except Exception:
             raise
         finally:
             self.__batch_mode = False
@@ -114,7 +114,7 @@ class mstpctlutil(utilsBase):
     def is_mstpd_running(self):
         try:
             utils.exec_command('%s mstpd'%utils.pidof_cmd)
-        except:
+        except Exception:
             return False
         else:
             return True
@@ -122,7 +122,7 @@ class mstpctlutil(utilsBase):
     def _extract_bridge_port_prio(self, portid):
         try:
             return str(int(portid[0], 16) * 16)
-        except:
+        except Exception:
             return mstpctlutil._DEFAULT_PORT_PRIO
 
     def _get_bridge_and_port_attrs_from_cache(self, bridgename):
@@ -288,5 +288,5 @@ class mstpctlutil(utilsBase):
             utils.exec_command('%s showbridge %s' %
                                (utils.mstpctl_cmd, bridgename))
             return True
-        except:
+        except Exception:
             return False
diff --git a/ifupdown2/ifupdownaddons/systemutils.py b/ifupdown2/ifupdownaddons/systemutils.py
index 505efdd..13369ed 100644
--- a/ifupdown2/ifupdownaddons/systemutils.py
+++ b/ifupdown2/ifupdownaddons/systemutils.py
@@ -31,7 +31,7 @@ class systemUtils():
             try:
                 utils.exec_command('%s %s' %
                                     (utils.pidof_cmd, procname))
-            except:
+            except Exception:
                 return False
             else:
                 return True
@@ -57,7 +57,7 @@ class systemUtils():
         try:
             utils.exec_command('%s %s' %
                                (utils.pidof_cmd, processname))
-        except:
+        except Exception:
             return False
         else:
             return True
diff --git a/ifupdown2/ifupdownaddons/utilsbase.py b/ifupdown2/ifupdownaddons/utilsbase.py
index 9480aec..2467b89 100644
--- a/ifupdown2/ifupdownaddons/utilsbase.py
+++ b/ifupdown2/ifupdownaddons/utilsbase.py
@@ -56,7 +56,7 @@ class utilsBase(object):
             self.logger.debug('reading \'%s\'' %filename)
             with open(filename, 'r') as f:
                 return f.readlines()
-        except:
+        except Exception:
             return None
         return None
 
@@ -65,7 +65,7 @@ class utilsBase(object):
             self.logger.debug('reading \'%s\'' %filename)
             with open(filename, 'r') as f:
                 return f.readline().strip('\n')
-        except:
+        except Exception:
             return None
         return None
 
diff --git a/ifupdown2/lib/dry_run.py b/ifupdown2/lib/dry_run.py
index 3f883f9..832c3c8 100644
--- a/ifupdown2/lib/dry_run.py
+++ b/ifupdown2/lib/dry_run.py
@@ -77,7 +77,7 @@ def WeakMethod(f):
 def _weakref_call_back_delete(reference):
     try:
         DryRunManager.get_instance().unregister_dry_run_handler_weakref_callback(reference)
-    except:
+    except Exception:
         pass
 
 
@@ -119,7 +119,7 @@ class DryRun(object):
                         handler_code_weakref=WeakMethod(base_attr_value),
                         dry_run_code_weakref=WeakMethod(attr_value)
                     )
-            except:
+            except Exception:
                 pass
 
     def log_info_ifname_dry_run(self, ifname, string):
@@ -215,7 +215,7 @@ class DryRunManager(object):
         """
         try:
             del self.__entries[reference]
-        except:
+        except Exception:
             pass
 
     def dry_run_mode_on(self):
diff --git a/ifupdown2/lib/io.py b/ifupdown2/lib/io.py
index c6ca443..7c1823f 100644
--- a/ifupdown2/lib/io.py
+++ b/ifupdown2/lib/io.py
@@ -56,7 +56,7 @@ class IO(BaseObject):
             self.logger.info("reading '%s'" % path)
             with open(path, "r") as f:
                 return f.readline().strip("\n")
-        except:
+        except Exception:
             return None
 
     def read_file_oneline_dry_run(self, path):
@@ -69,7 +69,7 @@ class IO(BaseObject):
             self.logger.info("reading '%s'" % path)
             with open(path, "r") as f:
                 return f.readlines()
-        except:
+        except Exception:
             return None
 
 
diff --git a/ifupdown2/lib/iproute2.py b/ifupdown2/lib/iproute2.py
index 5025de0..8c9d98b 100644
--- a/ifupdown2/lib/iproute2.py
+++ b/ifupdown2/lib/iproute2.py
@@ -54,7 +54,7 @@ import socket                                                                  #
                                                                                #
 try:                                                                           #
     import ifupdown2.nlmanager.nlpacket as nlpacket                            #
-except:                                                                        #
+except Exception:                                                                        #
     import nlmanager.nlpacket as nlpacket                                      #
 ################################################################################
 
@@ -119,7 +119,7 @@ class IPRoute2(Cache, Requirements):
             # i.e.: packet.flags shouldn't contain NLM_F_* values but IFF_* (in case of Link object)
             # otherwise call to cache.link_is_up() will probably return True
             packet.decode_service_header()
-        except:
+        except Exception:
             # we can ignore all errors
             pass
 
@@ -168,7 +168,7 @@ class IPRoute2(Cache, Requirements):
                     "%s -force -batch -" % prefix,
                     stdin="\n".join(commands)
                 )
-        except:
+        except Exception:
             raise
         finally:
             self.__batch_mode = False
@@ -352,7 +352,7 @@ class IPRoute2(Cache, Requirements):
                     m = self.VXLAN_PEER_REGEX_PATTERN.search(l)
                     if m and m.group(1) != svcnodeip:
                         cur_peers.append(m.group(1))
-            except:
+            except Exception:
                 self.logger.warning('error parsing ip link output')
         except subprocess.CalledProcessError as e:
             if e.returncode != 1:
@@ -545,7 +545,7 @@ class IPRoute2(Cache, Requirements):
                     try:
                         entries = fdb_entry.split()
                         fdbs.setdefault(entries[2], []).append(entries[0])
-                    except:
+                    except Exception:
                         pass
             return fdbs
         except Exception:
@@ -745,7 +745,7 @@ class IPRoute2(Cache, Requirements):
                     vrf_table = self.cache.get_vrf_table(upper_iface)
                     if vrf_table:
                         break
-            except:
+            except Exception:
                 pass
 
         ip_route_del = []
diff --git a/ifupdown2/lib/nlcache.py b/ifupdown2/lib/nlcache.py
index df425b4..106c3e3 100644
--- a/ifupdown2/lib/nlcache.py
+++ b/ifupdown2/lib/nlcache.py
@@ -283,7 +283,7 @@ class _NetlinkCache:
         """
         try:
             del self._link_cache[slave].attributes[Link.IFLA_MASTER]
-        except:
+        except Exception:
             pass
 
         try:
@@ -389,7 +389,7 @@ class _NetlinkCache:
         try:
             with self._cache_lock:
                 self._link_cache[ifname].flags = flags
-        except:
+        except Exception:
             pass
 
     def override_link_mtu(self, ifname, mtu):
@@ -402,7 +402,7 @@ class _NetlinkCache:
         try:
             with self._cache_lock:
                 self._link_cache[ifname].attributes[Link.IFLA_MTU].value = mtu
-        except:
+        except Exception:
             pass
 
     def override_cache_unslave_link(self, slave, master):
@@ -456,7 +456,7 @@ class _NetlinkCache:
                 #        log.error('-----------')
                 #        log.error('-----------')
                 #        log.error('-----------')
-        except:
+        except Exception:
             traceback.print_exc()
         # TODO: save log_level at entry and re-apply it after the dump
         nllistener.log.setLevel(WARNING)
@@ -485,7 +485,7 @@ class _NetlinkCache:
             msg.debug = True
             msg.dump()
             msg.debug = save_debug
-        except:
+        except Exception:
             traceback.print_exc()
         # TODO: save log_level at entry and re-apply it after the dump
         nllistener.log.setLevel(WARNING)
@@ -1081,7 +1081,7 @@ class _NetlinkCache:
 
                         else:
                             vlans.append(vlan_id)
-        except:
+        except Exception:
             log.exception("get_bridge_vids")
         return pvid, vlans
 
@@ -1103,7 +1103,7 @@ class _NetlinkCache:
 
                         if vlan_flag & Link.BRIDGE_VLAN_INFO_PVID:
                             return vlan_id
-        except:
+        except Exception:
             log.exception("get_pvid")
         return pvid
 
@@ -1209,7 +1209,7 @@ class _NetlinkCache:
             if ifname in self._rtm_newlink_nomasterq:
                 try:
                     del link.attributes[Link.IFLA_MASTER]
-                except:
+                except Exception:
                     self._rtm_newlink_nomasterq.remove(ifname)
 
         # we need to check if the device was previously enslaved
@@ -1347,7 +1347,7 @@ class _NetlinkCache:
         try:
             with self._cache_lock:
                 self._link_cache[ifname].attributes[Link.IFLA_LINKINFO].value[Link.IFLA_INFO_DATA].update(ifla_info_data)
-        except:
+        except Exception:
             pass
 
     def add_bridge_vlan(self, msg):
@@ -1378,7 +1378,7 @@ class _NetlinkCache:
 
                 if not ifla_master or not ifla_master in self._ifname_by_ifindex:
                     return
-            except:
+            except Exception:
                 pass
 
             # Example IFLA_AF_SPEC
@@ -1427,11 +1427,11 @@ class _NetlinkCache:
                 if old_master and old_master != master:
                     try:
                         self._masters_and_slaves.get(old_master, []).remove(slave)
-                    except:
+                    except Exception:
                         pass
 
                 self._slaves_master[slave] = master
-        except:
+        except Exception:
             # since this is an optimization function we can ignore all error
             pass
 
@@ -1455,7 +1455,7 @@ class _NetlinkCache:
 
                 for slave in slave_list:
                     self._slaves_master[slave] = master
-        except:
+        except Exception:
             # since this is an optimization function we can ignore all error
             pass
 
@@ -1522,17 +1522,17 @@ class _NetlinkCache:
                 # have their bridge-vlans and _slaves_master entries cleared.
                 for slave in list(self._masters_and_slaves[ifname]):
                     self.__unslave_nolock(slave, master=ifname)
-            except:
+            except Exception:
                 pass
 
             try:
                 del self._bridge_vlan_cache[ifname]
-            except:
+            except Exception:
                 pass
 
             try:
                 del self._bridge_vlan_vni_cache[ifname]
-            except:
+            except Exception:
                 pass
 
             try:
@@ -1628,7 +1628,7 @@ class _NetlinkCache:
         try:
             with self._cache_lock:
                 self._addr_cache[ifname][family] = []
-        except:
+        except Exception:
             pass
 
     def address_flush_link(self, ifname):
@@ -1640,7 +1640,7 @@ class _NetlinkCache:
         try:
             with self._cache_lock:
                 self._addr_cache[ifname] = {4: [], 6: []}
-        except:
+        except Exception:
             pass
 
     def force_remove_addr(self, ifname, addr):
@@ -1661,15 +1661,15 @@ class _NetlinkCache:
                     try:
                         if cache_addr.attributes[Address.IFA_ADDRESS].value == addr:
                             obj_to_remove = cache_addr
-                    except:
+                    except Exception:
                         try:
                             if cache_addr.attributes[Address.IFA_LOCAL].value == addr:
                                 obj_to_remove = cache_addr
-                        except:
+                        except Exception:
                             return
                 if obj_to_remove:
                     self._addr_cache[ifname][addr.version].remove(obj_to_remove)
-        except:
+        except Exception:
             pass
 
     def remove_address(self, addr_to_remove):
@@ -1680,10 +1680,10 @@ class _NetlinkCache:
             # to find which one to remove from the cache
             try:
                 ip_version = addr_to_remove.get_attribute_value(Address.IFA_ADDRESS).version
-            except:
+            except Exception:
                 try:
                     ip_version = addr_to_remove.get_attribute_value(Address.IFA_LOCAL).version
-                except:
+                except Exception:
                     # print debug error
                     return
 
@@ -1735,7 +1735,7 @@ class _NetlinkCache:
             with self._cache_lock:
                 intf_addresses = self._addr_cache[ifname]
                 return bool(intf_addresses.get(4, None) or intf_addresses.get(6, None))
-        except:
+        except Exception:
             return False
 
     ############################################################################
@@ -1755,7 +1755,7 @@ class _NetlinkCache:
         try:
             with self._netconf_cache_lock:
                 self._netconf_cache[msg.family][msg.get_attribute_value(msg.NETCONFA_IFINDEX)] = msg
-        except:
+        except Exception:
             pass
 
     def remove_netconf(self, msg):
@@ -1765,7 +1765,7 @@ class _NetlinkCache:
         try:
             with self._netconf_cache_lock:
                 del self._netconf_cache[msg.family][msg.get_attribute_value(msg.NETCONFA_IFINDEX)]
-        except:
+        except Exception:
             pass
 
     def get_netconf_forwarding(self, family, ifname):
@@ -1775,7 +1775,7 @@ class _NetlinkCache:
         try:
             with self._netconf_cache_lock:
                 return self._netconf_cache[family][self.get_ifindex(ifname)].get_attribute_value(Netconf.NETCONFA_FORWARDING)
-        except:
+        except Exception:
             # if KeyError and family == AF_INET6: ipv6 is probably disabled on this device
             return None
 
@@ -1786,7 +1786,7 @@ class _NetlinkCache:
         try:
             with self._netconf_cache_lock:
                 return self._netconf_cache[AF_MPLS][self.get_ifindex(ifname)].get_attribute_value(Netconf.NETCONFA_INPUT)
-        except:
+        except Exception:
             return None
 
     ############################################################################
@@ -1834,7 +1834,7 @@ class _NetlinkCache:
                                 ip6.append(ip_network_obj)
                             else:
                                 ip4.append(ip_network_obj)
-                        except:
+                        except Exception:
                             continue
 
         # always return ip4 first, followed by ip6
@@ -1902,11 +1902,11 @@ class _NetlinkCache:
                         ifa_address = cache_addr.attributes[Address.IFA_ADDRESS].value
                         if ifa_address.ip == addr.ip and ifa_address.prefixlen == addr.prefixlen:
                             return True
-                    except:
+                    except Exception:
                         try:
                             ifa_local = cache_addr.attributes[Address.IFA_LOCAL].value
                             return ifa_local.ip == addr.ip and ifa_local.prefixlen == addr.prefixlen
-                        except:
+                        except Exception:
                             pass
         except (KeyError, AttributeError):
             pass
@@ -2157,7 +2157,7 @@ class NetlinkListenerWithCache(nllistener.NetlinkManagerWithListener, BaseObject
                         self.logger.error('NetlinkListenerWithCache: WORKQ_SERVICE_ERROR')
                     else:
                         raise Exception("Unsupported workq event %s" % event)
-        except:
+        except Exception:
             raise
         finally:
             # il faut surement mettre un try/except autour de la boucle au dessus
@@ -2283,7 +2283,7 @@ class NetlinkListenerWithCache(nllistener.NetlinkManagerWithListener, BaseObject
             # i.e.: packet.flags shouldn't contain NLM_F_* values but IFF_* (in case of Link object)
             # otherwise call to cache.link_is_up() will probably return True
             packet.decode_service_header()
-        except:
+        except Exception:
             # we can ignore all errors
             pass
 
@@ -2306,7 +2306,7 @@ class NetlinkListenerWithCache(nllistener.NetlinkManagerWithListener, BaseObject
 
         try:
             result = self.tx_nlpacket_get_response_with_error(nl_packet)
-        except:
+        except Exception:
             # an error was caught, we need to unregister the event and raise again
             self.cache.unregister_wait_event()
             raise
@@ -2575,7 +2575,7 @@ class NetlinkListenerWithCache(nllistener.NetlinkManagerWithListener, BaseObject
                 # any stale value in our cache
                 self.cache.force_remove_link(ifname)
                 return result
-            except:
+            except Exception:
                 # Something went wrong while sending the RTM_DELLINK request
                 # we need to clear ifname from the ignore_rtm_newlinkq list
                 self.cache.remove_from_ignore_rtm_newlinkq(ifname)
@@ -3182,7 +3182,7 @@ class NetlinkListenerWithCache(nllistener.NetlinkManagerWithListener, BaseObject
         for addr in self.cache.get_ip_addresses(ifname):
             try:
                 self.addr_del(ifname, addr)
-            except:
+            except Exception:
                 pass
 
     ########################
diff --git a/ifupdown2/lib/sysfs.py b/ifupdown2/lib/sysfs.py
index d56a26f..ad6e4c0 100644
--- a/ifupdown2/lib/sysfs.py
+++ b/ifupdown2/lib/sysfs.py
@@ -79,7 +79,7 @@ class __Sysfs(IO, Requirements):
             if not uppers:
                 return []
             return [os.path.basename(u)[6:] for u in uppers]
-        except:
+        except Exception:
             return []
 
     @staticmethod
@@ -89,7 +89,7 @@ class __Sysfs(IO, Requirements):
             if not lowers:
                 return []
             return [os.path.basename(l)[6:] for l in lowers]
-        except:
+        except Exception:
             return []
 
     def link_is_up(self, ifname):
@@ -163,7 +163,7 @@ class __Sysfs(IO, Requirements):
         try:
             stp_state_int = int(stp_state)
             return "yes" if stp_state_int > 0 else "no"
-        except:
+        except Exception:
             return "unknown"
 
     def bridge_get_mcqv4src(self, bridge):
diff --git a/ifupdown2/nlmanager/nllistener.py b/ifupdown2/nlmanager/nllistener.py
index e319dc4..71d47a9 100644
--- a/ifupdown2/nlmanager/nllistener.py
+++ b/ifupdown2/nlmanager/nllistener.py
@@ -113,7 +113,7 @@ class NetlinkListener(Thread):
                 self.rx_socket.bind((pid | (pid_offset << 22), self.groups))
                 self.pid_offset = pid_offset
                 return
-            except:
+            except Exception:
                 pass
         # if we reach this line it means we've reach NLMANAGER_BIND_RETRY limit
         # and couldn't successfully bind the rx_socket... We will try one more
diff --git a/ifupdown2/nlmanager/nlmanager.py b/ifupdown2/nlmanager/nlmanager.py
index e9d3d2e..c720f9f 100644
--- a/ifupdown2/nlmanager/nlmanager.py
+++ b/ifupdown2/nlmanager/nlmanager.py
@@ -166,13 +166,13 @@ class NetlinkManager(object):
                         )
                     self.pid = self.pid + i
                     return
-                except:
+                except Exception:
                     pass
             # if we reach this code it means all our bind calls failed. We are trying to
             # bind the socket one last time on the original parameters if not we will not
             # be catching the exception
             self.tx_socket.bind((self.pid, 0))
-        except:
+        except Exception:
             if self.tx_socket:
                 self.tx_socket.close()
                 self.tx_socket = None