[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/0880019d209e4bd683fccccf20d01e... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/4b40ae2f5ffe462c88306d30ddb171d2 : FAILURE in 8m 53s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/865a423c92634e92a5409d086753b908 : SUCCESS in 5m 47s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/0f2f1e45ca0248f899a0496a04989dbe : SUCCESS in 8m 52s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/1bfdcef2cec4459e8636564a1638a35f : SUCCESS in 6m 43s