This is causing more serious issues, as there is a race
between tenant VIF removal and cleaning VIF adding.
This reverts commit 4f79cb3932.
The release note is not deleted from it, because the change has
already been released. A new one is added instead.
Change-Id: I922f24293645ff6bb79ad753f49dc9548b9f2485
Closes-Bug: #1750785