Comment 12 for bug 1555162

Bug https://bugs.launchpad.net/fuel/+bug/1564934 looks the same: after controller restart br-floating was not created so ovs agent failed to start:
 2016-04-01 00:15:53.545 21019 ERROR neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent [req-24b0cb67-4150-486c-9b66-a89cd9d58f93 - - - - -] Bridge br-floating for physical network physnet1 does not exist. Agent terminated!