[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/d85aa76e9f754da68b370a4045886a... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/4a458862ab1144b08bae7570221fcea8 : FAILURE in 6m 19s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/1f596759792a406a810446b2168a3256 : SUCCESS in 5m 08s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/3474423dc6b64803956da93e43acb62b : SUCCESS in 5m 34s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/5c4463ba6a714125b02ed3162fd73e92 : SUCCESS in 6m 37s