Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/1c69b0dce2f9474ca1dab8f6a7ae967a : RETRY_LIMIT in 4m 28s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/964306358c24495cabf51b42edb74b78 : FAILURE in 4m 35s