Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/c447c2b5ea6b4d4c9c3c543d828f3b0e : RETRY_LIMIT in 5m 40s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/fb5f2586d27c4734816ae6935151c950 : FAILURE in 4m 20s