Enable accept_ra before enabling forwarding
Enable accept_ra before enabling forwarding

We need to enable accept_ra before we enable forwarding, otherwise
existing addresses and routes may get dropped until the next RA is
received, possibly causing connection errors in the meantime.

Change-Id: I1fdeede59547de896ed89222ecf121fd9e6b810d

nawawi/openstack,openstack-dev/devstack,nawawi/openstack,dtroyer/devstack,openstack-dev/devstack,dtroyer/devstack