[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/cd5ead06228c4927b87865589da4a8... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/b64238d0093d4e959e431d36427e5b18 : FAILURE in 5m 39s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/35a751928de642748ec05e936f3fda2e : SUCCESS in 6m 44s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/165cdea5aa40474ca388ef1b8037c82e : SUCCESS in 6m 29s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/ab5277dc4554479a9b9c9f12a0054567 : SUCCESS in 7m 15s