seenCommands := make(map[*cobra.Command]bool)
	var commandStack []*cobra.Command

	commandStack = append(commandStack, rootCmd)

	for len(commandStack) > 0 {
		n := len(commandStack) - 1
		curCmd := commandStack[n]
		commandStack = commandStack[:n]
		seenCommands[curCmd] = true
		for _, command := range curCmd.Commands() {
			if !seenCommands[command] {
				commandStack = append(commandStack, command)

		o := ctrlz.DefaultOptions()
		o.EnablePprof = true
		return o
	}()
)

var rootCmd = &cobra.Command{
	Use:          "install-cni",
	Short:        "Install and configure Istio CNI plugin on a node, detect and repair pod which is broken by race condition.",
	SilenceUsage: true,
	PreRunE: func(c *cobra.Command, args []string) error {
		if err := log.Configure(logOptions); err != nil {
			log.Errorf("Failed to configure log %v", err)