See https://bugzilla.redhat.com/show_bug.cgi?id=1541528
We don't want IPtables rules managed by Neutron to be persistent, it can
cause issues when rule are recreated while a namespace doesn't exist.
This patch makes sure that in any Neutron node, no IPtables rule will be
persistent if it contains "neutron-" in the name.
Change-Id: Ife465c2c6739c3cbfb9923ed97f370baa745739c
Related-Bug: #1747960