Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/f9b47c0908614545bb8d8d3f4f6bc9d7 : RETRY_LIMIT in 3m 44s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/42a8951585bc4f1184bb7ac8b5ffc7bd : FAILURE in 4m 32s