Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/c4e80178697045bf985ea5e53de3e579 : RETRY_LIMIT in 3m 06s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/423da44953154e4088b33778449ee4b1 : FAILURE in 4m 27s