Comment 2 for bug 1979276

Just noticed it in devstack[1] too, and i suspect new openvswitch and ovn releases[2][3] yesterday could causing this considering the issue is random and timing of failures.

[1] https://zuul.opendev.org/t/openstack/build/f2745fa4127d4bf196362e3453a45ccb/log/controller/logs/services.txt#1693-1694
[2] https://review.rdoproject.org/r/c/nfvinfo/+/43620
[3] https://review.rdoproject.org/r/c/nfvinfo/+/42683