Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/c637d33546524179bc2b89c8aa43ebf7 : RETRY_LIMIT in 4m 08s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/8024048e04284581a9c8bf37577e7e47 : FAILURE in 4m 23s