[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/1a1e8ddc80104f6cb65ae51818509f... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/800fdd9d59f245eda80ebe7f31912089 : FAILURE in 5m 51s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/eaec29dde4544abc8495d75f3c447f58 : SUCCESS in 5m 29s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/3f0cbcd3899945d8b9111574199c8e3e : SUCCESS in 6m 21s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/8677a822c8814ad2b1a0089474b379dc : SUCCESS in 8m 31s