From 9219cef3d6fab502022c5353f6c343ab9036f298 Mon Sep 17 00:00:00 2001
From: Roopa Prabhu <roopa@cumulusnetworks.com>
Date: Thu, 24 Mar 2016 21:55:58 -0700
Subject: [PATCH] ifupdownmain: don't down vrf master in sched callback ops

This was bringing down vrf master earlier than required
leading to ssh session hangs in case of management vrf

Signed-off-by: Roopa Prabhu <roopa@cumulusnetworks.com>
---
 ifupdown/ifupdownmain.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/ifupdown/ifupdownmain.py b/ifupdown/ifupdownmain.py
index 7eac028..75ca345 100644
--- a/ifupdown/ifupdownmain.py
+++ b/ifupdown/ifupdownmain.py
@@ -140,6 +140,8 @@ class ifupdownMain(ifupdownBase):
     def run_down(self, ifaceobj):
         # Skip link sets on ifaceobjs of type 'vlan' (used for l2 attrs)
         # there is no real interface behind it
+        if ifaceobj.kind & ifaceLinkKind.VRF:
+            return
         if ifaceobj.type == ifaceType.BRIDGE_VLAN:
             return
         if (ifaceobj.addr_method and