Login using ssh not working after RHOCP 4.13 upgrade

Solution Verified - Updated 2024-10-30T14:22:58+00:00 -

Issue

After upgrading from OpenShift 4.12 to 4.13 it was not possible to ssh into the nodes.

Accessing a node using SSH failing with the follwoing message after openshift upgrade:

$ ssh -i sshkey core@10.0.0.1
core@10.0.0.1: Permission denied (publickey,gssapi-keyex,gssapi-with-mic).

Red Hat OpenShift Container Platform (RHOCP)
- 4.12 (preparing to upgrade to 4.13+)
- 4.13
- 4.14

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