Change search for ip for vip on nova

In test delete_vips for nova-ha we try to search ips
not in namespace. Those leads for skip action
for del ip it recover and verification after
recovering

Change-Id: Ia866aa541b9031d7677c44b889b35cfedab66791
Closes-Bug: #1311722
(cherry picked from commit 87c0d7d23e26ba68db3695e2b206d80896bc546e)
Merge "Change search for ip for vip on nova" into stable/4.1