[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/bcd9d2d51d6141c3b6cb2139c4d7d3... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/75bf53133a874b71b3cc51e4e58e6e26 : SUCCESS in 7m 30s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/89c6c1e1526540cbb143f56db9593d97 : FAILURE in 7m 30s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/64d934409c62497287903174dcf40a1a : SUCCESS in 7m 14s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/7a2d451195924a7c89a4aa5a611ff91c : SUCCESS in 8m 12s