Catch the NoIdError during the pool create and vip create cleanup

Loadbalance plugin doesn't handle NoIdError exception if pool
or vip port creation fails.

This patch fixes this issue.

Change-Id: Ib9d946a5c9f833419522a1f6205fb1a6299825ef
Closes-bug: #1378849
Merge "Catch the NoIdError during the pool create and vip create cleanup"