Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/aa8fef1c740544fe8fc24ee6e1420835 : RETRY_LIMIT in 4m 11s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/b4f0aa6dc1b443ae8a84618cead6fb0d : FAILURE in 4m 28s