1. Subscribe Container-native virtualization 2.2.0 operator into all namespaces on the cluster, so view Installed Operators in openshift-operators namespace will show InstallSucceeded, while in other namespace it will show Copied 2. View Installed Operators at `default` namespace, go to All Instances tab, click on kebab menu of cluster resource NAC(NetworkAddonsConfig) -> choose 'Edit NetworkAddonsConfig', YAML editor is shown correctly Verified on 4.3.0-0.nightly-2020-02-23-234920
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-2020:0676