Verified in 4.6.0-0.nightly-2020-07-21-004949 on top of OSP 13.0.12 2020-07-09.1 puddle. Ocp cluster has been installed successfully and NP and conformance tests run afterwards. All the NP tests passed and the expected ones failed from conformance suite. Kuryr-cni pods were restarted during conformance tests, and the NetlinkError exception is still raised, but kuryr-cni is able to recover from it.
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 4.6 GA Images), 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-2020:4196