This change allows neutron-agent and rabbitmq containers to use a fixed
mac address which should ensure that we're not running into prolonged
downtime due to mac address rotations caused by container restarts.
Change-Id: I55198787afd5a0384d6098871a14053a7ee0032c
Depends-On: Ie1a8dc172c45fc2b4cfa724a2bafa67cb481ba73
Signed-off-by: Kevin Carter <kevin.carter@rackspace.com>