Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/db97f987798348629336226bd0dbde3e : RETRY_LIMIT in 3m 51s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/791133c9793849fcbee853c04e49698b : FAILURE in 6m 40s