Comment 2 for bug 1425856

Reviewed: https://review.opencontrail.org/7875
Committed: http://github.org/Juniper/contrail-controller/commit/f000a7fcd9c99fff809c87d3f30ed7e162ace1a8
Submitter: Zuul
Branch: R2.1

commit f000a7fcd9c99fff809c87d3f30ed7e162ace1a8
Author: Naveen N <email address hidden>
Date: Thu Feb 26 05:57:20 2015 -0800

* In a scenario where there are 2 vgw exporting same subnet route,
and traffic session gets initiated from external domain to
VM, then for setting reverse flow agent was trying to get policy
enabled interface nexthop for vgw, and for vgw we would only
create policy disabled nh. Fixing the same to pick
policy disabled nexthop for vgw destination
Closes-bug:#1425856

Change-Id: Ic0c61be47997a2c9ebe3196394cef21468fce8ca