This looks good to me on 4.5.0-0.nightly-2020-09-08-123650 using repro/verification steps mentioned in comment 26 https://bugzilla.redhat.com/show_bug.cgi?id=1862521#c26. Can also see the packets travel from node IP -> ovn-k8s -> pod IP. Sent ncat traffic 100 times across at an interval of 10 seconds.
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory (OpenShift Container Platform 4.5.9 bug fix update), and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHBA-2020:3618