Comment 3 for bug 1506325

Reviewed: https://review.opencontrail.org/14517
Committed: http://github.org/Juniper/contrail-controller/commit/549cc205895d5c5e38b51e9507faa8f2788a3384
Submitter: Zuul
Branch: master

commit 549cc205895d5c5e38b51e9507faa8f2788a3384
Author: Prabhjot Singh Sethi <email address hidden>
Date: Mon Oct 19 09:29:43 2015 +0530

ToR Agent to assure OVSDB route table sanity

Issue:
------
while deleting and adding the route table under vrf,
ovsdb client may end up creating a new table before
the previous cleanup is complete, which can potentially
result in inconsitent state, in ovsdb-server and HA stale
exported routes

Fix:
----
force VRF to wait for Add/Delete ACK, triggered on route
table delete to assure, new route table is not created
before completion of cleanup

Closes-Bug: 1506325
Change-Id: I91f5aa2c425d263bb825119a39c1d35ceb83d014