[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/a97c994be7464e908dd573bff8b80d7b : SUCCESS in 7m 40s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/3289cf3249f14f86a0f1faf617bebf3a : SUCCESS in 8m 13s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/5f33c1871e68491487e3c95e1d891ecd : SUCCESS in 9m 09s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/c5ba707df24749278786c15a32a81018 : FAILURE in 5m 57s