[Openstack-stable-maint] Stable check of openstack/octavia for ref refs/heads/stable/train failed

Build failed. https://zuul.opendev.org/t/openstack/buildset/adb0d06740b0459baa27653d4a5751... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/6aff8a7cdb844c698f32a328759344be : SUCCESS in 10m 43s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/a5eac3ed18af425182585581d8677499 : FAILURE in 2m 29s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/2761a8c0d49e4adc805eb82efdab8a01 : SUCCESS in 7m 14s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/d7b6ab4725ba41a48d0c33d67d810104 : SUCCESS in 5m 18s