Comment 14 for bug 1647557

Verified on MOS 9.2 mu1 updates.
Errors in puppet log before:
2017-03-10 11:01:41 +0000 Puppet (err): bridge br-prv can not be included into more then one element, elements: [{"action"=>"add-patch", "bridges"=>["br-prv", "br-fw-admin"], "mtu"=>65000, "provider"=>"ovs"}, {"action"=>"add-patch", "bridges"=>["br-prv", "bridge1"], "mtu"=>65000, "provider"=>"ovs"}, {"action"=>"add-patch", "bridges"=>["br-prv", "bridge2"], "mtu"=>65000, "provider"=>"ovs"}] at /etc/puppet/modules/openstack_tasks/manifests/openstack_network/server_config.pp:121 on node node-1.test.domain.local
Deploy was finished w/o errors with updates.