Build failed. - build-openstack-sphinx-docs http://logs.openstack.org/periodic-stable/opendev.org/openstack/manila/stable/queens/build-openstack-sphinx-docs/5e06710/ : FAILURE in 5m 24s - openstack-tox-py27 http://logs.openstack.org/periodic-stable/opendev.org/openstack/manila/stable/queens/openstack-tox-py27/aac477f/ : RETRY_LIMIT in 2m 10s