Naveen

Results 4 issues of Naveen

Signed-off-by: nguggarigoud

tests
bugfix

This is just the error message change, no function change. Signed-off-by: nguggarigoud [[email protected]](mailto:[email protected])

tests
autoclose
master
size/XS
rebase

1. This PR is for adding bgp nexthop modification automation.

tests
autoclose
master
size/XXL
rebase