Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/c72073172f7b4d09a08a51c2e8974283 : RETRY_LIMIT in 4m 46s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/dd2ae094e5a347d28d4184418069332a : FAILURE in 6m 33s