Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/942e557008f1483d9cc03ba37882e85d : RETRY_LIMIT in 4m 13s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/666555d78ca8496090f43d09e374e48b : FAILURE in 4m 57s