Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/cbd59ce29f2f454a98bf4fb4c7e90586 : RETRY_LIMIT in 4m 21s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/571d89a7163a4eeabcd96d814dcbcfa8 : FAILURE in 3m 46s