Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/14478ac308f245f5ad68a461ec067c8c : RETRY_LIMIT in 4m 48s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/644652b487d84c939f65a9fd4af9dba9 : FAILURE in 4m 16s