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

Build failed. https://zuul.opendev.org/t/openstack/buildset/ccfe84f47fc945eba25e7f31ef8dba... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/683028ae26cb4aca9ec1d71e7006ecb5 : FAILURE in 6m 33s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/e6af4a1b85e943d1b041da7e52285fe6 : SUCCESS in 5m 37s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/54d972162a7445e8b03f44afba234b87 : SUCCESS in 5m 33s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/1250b13defa64391ae0079bb0c0bd2c0 : SUCCESS in 6m 17s