Right now, openshift-sdn is still on kubernetes 1.17. Fix that.
Verified this bug on 4.5.0-0.nightly-2020-05-07-021944 since no regression found
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, 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-2020:2409