Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/e3eb18c2d8bc4647a75a1c8fa9e10a60 : RETRY_LIMIT in 6m 35s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/6c24137c45b847f58a761efb74067cbf : FAILURE in 4m 25s