Fixes #4336: Ensure interfaces without a subinterface ID are ordered before subinterface zero

netbox/utilities/ordering.py

@@ -75,7 +75,7 @@ def naturalize_interface(value, max_length):
         if part is not None:
             output += part.rjust(6, '0')
         else:
-            output += '000000'
+            output += '......'
 
     # Finally, naturalize any remaining text and append it
     if match.group('remainder') is not None and len(output) < max_length: