Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/564c718efff3482ca91ddfcd68fae30e : RETRY_LIMIT in 6m 51s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/bd112c845a5942fe999a8a57c3feb019 : FAILURE in 4m 08s