Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/0f2fea9aa1a4464ba4cc6d874da0641c : RETRY_LIMIT in 4m 12s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/076543bd2e964eaab99d35dc69871450 : FAILURE in 6m 29s