Build failed.

- kolla-publish-centos-source https://zuul.opendev.org/t/openstack/build/8e0b888097a047a7bf6ef19168817435 : SUCCESS in 2h 03m 06s - kolla-publish-centos-binary https://zuul.opendev.org/t/openstack/build/8558e73d822d42039b29e096c2a640e4 : SUCCESS in 1h 33m 22s (non-voting) - kolla-publish-oraclelinux-source https://zuul.opendev.org/t/openstack/build/76e1f4217a654945b6514d7cd5da7ff0 : SUCCESS in 1h 54m 53s - kolla-publish-oraclelinux-binary https://zuul.opendev.org/t/openstack/build/8b0f8f4bbb254213ad457be201b5153d : SUCCESS in 1h 47m 04s (non-voting) - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/5a85e02ef3b9457686e957a2a6b1a714 : SUCCESS in 6m 17s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/9cc55fd9443b402bbb933c5a21ecf3f8 : SUCCESS in 8m 22s - kolla-publish-ubuntu-source https://zuul.opendev.org/t/openstack/build/7d4a9bb9527e4dc484ff5a946bc856b4 : FAILURE in 1h 36m 35s - kolla-publish-ubuntu-binary https://zuul.opendev.org/t/openstack/build/a7735bc70e9f4d679be62b8f70f58471 : FAILURE in 2h 14m 39s (non-voting)