Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/e6b9cf42d2db4a598a9e7e7c09e29d9f : RETRY_LIMIT in 3m 00s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/4549d33d64474eba89b99a431189fb6f : FAILURE in 6m 28s