Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/e5285b1f3dca4c268f89bbdee2c7cfdb : RETRY_LIMIT in 1m 42s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/638e1f2859354a9b847fea0f25d2e28e : FAILURE in 4m 31s