Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/cc6291a85ebf4f81834a7a5c10294b4e : RETRY_LIMIT in 3m 52s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/956b0818a55641ab9861050880af6ab5 : FAILURE in 6m 28s