Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/d8f1f2205cdd43518ed2b6910b1f7869 : RETRY_LIMIT in 4m 28s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/515f913a725c48b19d7e222343d1cb3f : FAILURE in 4m 51s