[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/f08e8dfac0454f91bf5af26d08effd... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/e569b10ef01249ab8fc55fbc8bfb8326 : FAILURE in 8m 33s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/7a09e72dcba5466fa62856b4a7612e66 : SUCCESS in 6m 59s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/28e6e7f8f494448982c11697dd920e70 : SUCCESS in 6m 34s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/174668828bdf462bacab2abdbe72b6ad : SUCCESS in 8m 16s