$ strings ovnkube | grep klog
...
dep k8s.io/klog v1.0.0
dep k8s.io/klog/v2 v2.0.0
Looks like v1 is still vendored but not used.
$ strings ovnkube | egrep "klog\/v2 v2.0.0|20201015054608-420da100c033"
dep k8s.io/utils v0.0.0-20201015054608-420da100c033
verified on 4.6.0-0.nightly-2021-01-22-095237
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 4.6.15 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-2021:0235