Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/2a2fcdf4cfed4b2dbac4041c4e2e36a6 : RETRY_LIMIT in 4m 24s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/ff5450e0cd584f5b89a6e86d660d2de4 : FAILURE in 4m 38s