[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/11d3d00b1ed84ae4a53d7cf99b21b8... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/e367c8a91376491e94ff17ddd9557321 : FAILURE in 7m 17s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/32dd40d57e954f908112e8d32c2dc6f3 : SUCCESS in 6m 30s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/1f08cacf3ab44e75bbfb3262dd632d4d : SUCCESS in 7m 47s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/776dfee7f8704e86a379549134fc99c4 : SUCCESS in 8m 05s