_ = rootCmd.RegisterFlagCompletionFunc(cli.FlagIstioNamespace, func(
		cmd *cobra.Command, args []string, toComplete string,
	) ([]string, cobra.ShellCompDirective) {
		return completion.ValidNamespaceArgs(cmd, ctx, args, toComplete)
	})
	_ = rootCmd.RegisterFlagCompletionFunc(cli.FlagNamespace, func(
		cmd *cobra.Command, args []string, toComplete string,
	) ([]string, cobra.ShellCompDirective) {

		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 {