[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/af4390bd0b454f05b36871d9a27dce... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/3bc70099f05246eaaebc29ec250c4d15 : FAILURE in 14m 04s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/cc6fef99fa5c417b88af486f5582a476 : SUCCESS in 13m 09s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/e6d2e9b06d214f1da2686b2ac0fb12e3 : SUCCESS in 14m 33s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/4a412e58c789466489412d08e8cfa5c1 : SUCCESS in 9m 33s