Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/cd7f6fec4cf94ecda728b794b32fa818 : RETRY_LIMIT in 4m 08s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/4a6c103145964ea1922f44f62e982c53 : FAILURE in 6m 53s