Comment 12 for bug 1907686

It was actually already fixed upstream in [0] and backported to branch-2.13 in [1] which is tagged in v2.13.3.

0: https://mail.openvswitch.org/pipermail/ovs-dev/2020-September/375050.html
1: https://github.com/openvswitch/ovs/commit/cdf2cf98e31ea4c99f62bf7a2c57a22050a71bbd

So this would be fixed by a new point release update in Ubuntu.