code: func Raw(args ...string) ([]byte, error) {
  	if firewalldRunning {
  		startTime := time.Now()
  		output, err := Passthrough(Iptables, args...)
  		if err == nil || !strings.Contains(err.Error(), "was not provided by any .service files") {
  			return filterOutput(startTime, output, args...), err
  		}
  	}
  	return raw(args...)
  }
docs: // Raw calls 'iptables' system command, passing supplied arguments.