These ports are left behind when a router is deleted.
Stale VRRP ports prevent a tenant from deleting their own networks
as it is owned by the service VM but active and invisible to the tenant.
MGT ports dont block net delete but should be cleaned up regardless.
Closes-bug: #1491593
(manually adapted from 379a150a99)
Change-Id: Ib96a730825468822fe12a2b0b402e2d18fd33c4e
Signed-off-by: Rosario Di Somma <rosario.disomma@dreamhost.com>
f8d2bccb51