http://logs.openstack.org/25/411725/4/check/gate-tripleo-ci-centos-7-nonha-multinode/6260e1c/console.html#_2016-12-16_15_34_19_008289
It sounds like multinode jobs are failing because undercloud can't ping the overcloud machine (subnode-2).
closing it now, I don't see it anymore...
Bug watches keep track of this bug in other bug trackers.
closing it now, I don't see it anymore...