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

Build failed. https://zuul.opendev.org/t/openstack/buildset/50cc340788324bd59ae2809258bb57... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/e770fb78088348f6a696628b9b18a2aa : FAILURE in 7m 32s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/fab929b5cd3b472894841c967aa69124 : SUCCESS in 6m 30s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/083e3f8e1bd648ee8a3a6d0dcffab582 : SUCCESS in 6m 36s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/061f0213f7c845b2b6f729d9c40c9b2f : SUCCESS in 9m 06s