osImage = "<unknown>"
		}
		if kernelVersion == "" {
			kernelVersion = "<unknown>"
		}
		if crVersion == "" {
			crVersion = "<unknown>"
		}
		row.Cells = append(row.Cells, getNodeInternalIP(obj), getNodeExternalIP(obj), osImage, kernelVersion, crVersion)
	}

	return []metav1.TableRow{row}, nil
}

// Returns first external ip of the node or "<none>" if none is found.