Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/fb6dd5813c7d4dc38d675cf617a60750 : RETRY_LIMIT in 4m 06s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/2862bce0db824074b0bdf18d713a525b : FAILURE in 4m 42s