T6221: Return default ip rule values after deleting VRF
Fix for restoring default ip rule values after deleting VRF
Defult values:
$ ip rule 0: from all lookup local 32766: from all lookup main 32767: from all lookup default
After adding and deleting a VRF we get unexpected values:
$ ip rule 1000: from all lookup [l3mdev-table] 2000: from all lookup [l3mdev-table] unreachable 32765: from all lookup local 32766: from all lookup main 32767: from all lookup default
(cherry picked from commit ce0bc35f8b5ff80a7b8fbfdf1b9ccc10c5c254fd)