Currently oc introduces itself as go-http-client/2.0 but should oc4.7/4.7.0 (linux/amd64) kubernetes/2513fdb just like when talking with kube-apiserver.
[knarra@knarra openshift-client-linux-4.8.0-0.nightly-2021-06-11-024306]$ ./oc version -o yaml clientVersion: buildDate: "2021-06-10T07:01:41Z" compiler: gc gitCommit: 10cec43f6fce6df1f8f9d769b70640579c827355 gitTreeState: clean gitVersion: 4.8.0-202106100628.p0.git.10cec43.assembly.stream-10cec43 goVersion: go1.16.4 major: "" minor: "" platform: linux/amd64 openshiftVersion: 4.8.0-0.nightly-2021-06-11-024306 releaseClientVersion: 4.8.0-0.nightly-2021-06-11-024306 serverVersion: buildDate: "2021-06-10T13:52:39Z" compiler: gc gitCommit: a5ec692e05fadcc702bae6f655e000eb306f7924 gitTreeState: clean gitVersion: v1.21.0-rc.0+a5ec692 goVersion: go1.16.4 major: "1" minor: 21+ platform: linux/amd64 [knarra@knarra openshift-client-linux-4.8.0-0.nightly-2021-06-11-024306]$ ./oc get clusterversion NAME VERSION AVAILABLE PROGRESSING SINCE STATUS version 4.8.0-0.nightly-2021-06-11-024306 True False 4h9m Cluster version is 4.8.0-0.nightly-2021-06-11-024306
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 (Moderate: OpenShift Container Platform 4.8.2 bug fix and security 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/RHSA-2021:2438