[Openstack-stable-maint] Stable check of openstack/networking-bgpvpn for ref refs/heads/stable/train failed

Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/946ddfb1f7e74536b06e10cbc4acec59 : SUCCESS in 11m 53s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/a373ac73791c468ba0c554aecfb418d8 : SUCCESS in 10m 14s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/77d2acf698574e77a0865b8300c4afac : FAILURE in 6m 49s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/e5c7e623c57244f78e71af0b4e6356d6 : SUCCESS in 9m 51s