[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/4321ed47713a42f483e990ae677f7b... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/63e8aaddd4da4689a71a2207a0bc91e9 : FAILURE in 6m 40s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/5cb18b71757543d2a99e39e0caeef3fe : SUCCESS in 6m 08s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/aa6cb84bce66498c8b39d2ad1e5d397e : SUCCESS in 6m 25s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/4f5f94ab376d475e8139390e088c930a : SUCCESS in 7m 14s