Fixes:ISSU:After finalize bgp routers including external are getting deleted Description: This change will fetch the hostnames by logging into the file and not from testbed.py Closes-Bug: 1645914
Fixes:ISSU:After finalize bgp routers including external are getting deleted
Description: This change will fetch the hostnames by logging into the file and not from testbed.py
Closes-Bug: 1645914

Change-Id: Ie8a3d18a10783199f6653e4dbb47cee40f75329a
(cherry picked from commit c09b1bed2512c98424a2a90435244e812f58b6ae)

Juniper/contrail-fabric-utils,Juniper/contrail-fabric-utils