Comment 1 for bug 1900949

In bmc log:

[ 83.096478] openstackbmc[9312]: keystoneauth1.exceptions.connection.ConnectFailure: Unable to establish connection to https://phx2.cloud.rdoproject.org:13000/v3/auth/tokens: HTTPSConnectionPool(host='phx2.cloud.rdoproject.org', port=13000): Max retries exceeded with url: /v3/auth/tokens (Caused by NewConnectionError('<urllib3.connection.VerifiedHTTPSConnection object at 0x7f2609a03450>: Failed to establish a new connection: [Errno -2] Name or service not known',))

https://logserver.rdoproject.org/openstack-periodic-integration-main/opendev.org/openstack/tripleo-ci/master/periodic-tripleo-ci-centos-8-ovb-3ctlr_1comp-featureset001-master/fef9133/logs/bmc-console.log

Seems like DNS problem on BMC host.