[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/a24ab38ee6104da68d5592dbd4d0a8... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/42826bbd0bd84fd599dbff7f2aa035a6 : FAILURE in 5m 37s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/70252b8e034a4f43a55d46ac9359b6ef : SUCCESS in 9m 29s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/88f79e5490d049e49fd5b0e2b99c2390 : SUCCESS in 5m 48s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/919500e226484437a21746d444da87ed : SUCCESS in 6m 30s