code: def monitorTUN(self):
          
          packet = self.checkTUN()
  
          if packet:
              try:
                  # TODO Do I need to strip off [4:] before sending?
                  ret = self._faraday.send(packet)
                  return ret
  
              except AttributeError as error:
                  # AttributeError was encounteredthreading.Event()
                  print("AttributeError")
docs: Monitors the TUN adapter and sends data over serial port.
  
          Returns:
              ret: Number of bytes sent over serial port