flag.CommandLine.Var(f.Value, f.Name, f.Usage)
		}
	})

	pflag.CommandLine.SetNormalizeFunc(cliflag.WordSepNormalizeFunc)
	pflag.CommandLine.AddGoFlagSet(flag.CommandLine)

	cmd := cmd.NewKubeadmCommand(os.Stdin, os.Stdout, os.Stderr)
	return cmd.Execute()