Comment 6 for bug 1518220

Reviewed: https://review.opencontrail.org/16065
Committed: http://github.org/Juniper/contrail-controller/commit/2b8fe3959883546bc5ca28631b85d896c7790da1
Submitter: Zuul
Branch: master

commit 2b8fe3959883546bc5ca28631b85d896c7790da1
Author: Naveen N <email address hidden>
Date: Wed Nov 25 14:06:50 2015 +0530

* Clear delete marked flag if list entry gets reused.
If a instance-ip is added and deleted in quick succesion
then that instance-ip would be present in the list with
delete marked flag set, and if the same instance-ip was
readded it would never be advertised.
Closes-bug:#1518220

Change-Id: I0f328d49789590ce570b1019a124492d76c44e99