//
// Instead, we traverse the procfs. Comments on this method are inline.
func getPodNetNs(pod *corev1.Pod) (string, error) {
	// First, find the network namespace id by looking the interface with the given Pod IP.
	// This could break on some platforms if they do not have an interface-per-pod.
	wantID, err := findNetworkIDByIP(pod.Status.PodIP)
	if err != nil {

	// so that no file modifications are missed while and after checking
	// note: we create a file watcher for each invocation, otherwise when we write to the directories
	// we would get infinite looping of events
	//
	// Additionally, fsnotify will lose existing watches on atomic copies (due to overwrite/rename),
	// so we have to re-watch after re-copy to make sure we always have fresh watches.

	registerStringParameter(constants.RepairInitTerminationMsg, "",
		"The expected termination message for the init container when crash-looping because of CNI misconfiguration")
	registerIntegerParameter(constants.RepairInitExitCode, iptables.ValidationErrorCode,
		"Expected exit code for the init container when crash-looping because of CNI misconfiguration")
	registerStringParameter(constants.RepairLabelSelectors, "",