Comment 1 for bug 1782095

based on discussion with slaweq, https://logs.rdoproject.org/openstack-periodic/git.openstack.org/openstack-infra/tripleo-ci/master/legacy-periodic-tripleo-ci-centos-7-multinode-1ctlr-featureset019-master/5963ae2/logs/subnode-2/var/log/containers/neutron/server.log.txt.gz#_2018-07-17_01_53_34_039

2018-07-17 01:53:34.065 29 ERROR neutron.plugins.ml2.managers [req-24f22378-e6fc-4bc2-accf-a71f98b3ab3d e7523f3e2d6844c7ae9c484705fdfeac 155b861a8dd14991858bd08631c48fd1 - default default] Failed to bind port 6eadb9d1-661c-4804-a075-35175ac17a99 on host upstream-centos-7-rdo-cloud-tripleo-0000061569.localdomain for vnic_type normal using segments [{'network_id': 'c6003379-48b6-4161-b9dc-55014daca65c', 'segmentation_id': 17, 'physical_network': None, 'id': 'f48a8f56-1ce3-408d-8fbf-f10480e06b43', 'network_type': u'vxlan'}]

There is no OVS agent which can bind this port and the agent was not started, we need to look for OVS agent log.