[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/d1612c4572114cb1a687d22c1a069c... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/73083b99f2714b829959131d0b16ca2d : FAILURE in 5m 49s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/4ccc8244db004425a0edcf76afdda22d : SUCCESS in 6m 43s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/0d5633edb0d44213bbf3ad8cc366547b : SUCCESS in 6m 27s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/06a24e1f99a34c729e5819116b24a351 : SUCCESS in 6m 45s