[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/b4b3839f995f4a18ac32329c81a023... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/3a1d29e016ad4471984c053d8576ab81 : FAILURE in 6m 06s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/01e6424ae2ed4eb1969b6af9eed49007 : SUCCESS in 6m 17s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/976945a80ec94bb1a16dd0cd64702314 : SUCCESS in 6m 36s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/1c1bae4c2aee4477909692e72dbf855a : SUCCESS in 6m 56s