[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/026cb89314944e9698d4ce09ac5f32... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/3e7c180d80a0454e82fbe816b4ed01ec : FAILURE in 6m 14s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/7bff5cda3ff94d2bb71ac3b1e85b2a5a : SUCCESS in 5m 45s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/9c0a63deb35a468fa63db429fed5a061 : SUCCESS in 5m 54s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/946867df20f24007886e440317b0ceff : SUCCESS in 7m 22s