Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/cd3d7ecc63cc4e36a6b60ec53f2a43bd : RETRY_LIMIT in 3m 48s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/3c0debb673a14314a44031ca47d880bd : FAILURE in 4m 18s