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

Build failed. https://zuul.opendev.org/t/openstack/buildset/0406a4ef1cc24727a9ee6f262e1c89... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/b70ae6c7a94a4f93b0487bfdf8a18a13 : SUCCESS in 6m 48s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/57119b62ba204c73882f1bda5174cc3d : SUCCESS in 6m 27s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/1c0d259a5fab44ac9d0f70d58a548514 : FAILURE in 7m 52s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/7a89a55806a64465aa01b8dbd99f76d2 : SUCCESS in 7m 03s