Fix sanity issue
Fix sanity issue

Adding missing break for a switch case which was causing
sanity failures

Closes-Bug: 1582526
Change-Id: I8bf4e56c1c8d4421627209271e0849b969b4974a
(cherry picked from commit 8e0a955dad9b8eabc4abe21f88129e5c29f4333d)

tcpcloud/contrail-controller,tcpcloud/contrail-controller,tcpcloud/contrail-controller,tcpcloud/contrail-controller,tcpcloud/contrail-controller,tcpcloud/contrail-controller