After checking the logs from all the pods, everything seems stable except one log from system-upgrade-controller pod which states:
msg=’error syncing ‘cattle-system/apply-system-agent-upgrader-on-<ec2Insthostname>-with-5d9dxxx’: handler system-upgrade-controller: jobs.batch \“apply-system-agent-upgradeer-on-<ec2Insthostname>-with-5d9dxxx\” not found, requeuing”