Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/cf3f3d6fc52f497ab53dae3f5df6700f : RETRY_LIMIT in 4m 17s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/88286e99a90748ed85635b61ae704534 : FAILURE in 6m 10s