The node-remediation-console pod fails to start when `readOnlyRootFilesystem: true` is set in the securityContext
Error message:
/opt/app-root/etc/generate_container_user: line 6: /opt/app-root/etc/passwd: Read-only file system
ln: failed to create symbolic link '/var/log/nginx/access.log': Read-only file system

See:
https://github.com/medik8s/node-healthcheck-operator/pull/382#issuecomment-3661190436