Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/5487f9a72d2b41e7a9919f21caf2d7a8 : RETRY_LIMIT in 4m 06s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/673c7756085941f5b99123729c98eae4 : FAILURE in 4m 24s