[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/b58760691cd64f1ab92fc965376f16... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/66d7d59775714808a559fe1aca739bbe : FAILURE in 8m 43s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/4cd7a5519dcb42f38cdbdf3e433ff8cd : SUCCESS in 5m 59s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/67625350488048e0a26556d403228eab : SUCCESS in 6m 59s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/d7d18f88a13241fb856f7a12b2d07ffb : SUCCESS in 7m 17s