Wait for identify_response
Traceback (most recent call last):
  File "/home/pi/klipper/klippy/
serialhdl.py", line 65, in _get_identify_data
    params = self.send_with_response(msg, 'identify_response')
  File "/home/pi/klipper/klippy/
serialhdl.py", line 249, in send_with_response
    return src.get_response([cmd], self.default_cmd_queue)
  File "/home/pi/klipper/klippy/
serialhdl.py", line 306, in get_response
    cmd_queue)
  File "/home/pi/klipper/klippy/
serialhdl.py", line 241, in raw_send_wait_ack
    raise error("Serial connection closed")
error: Serial connection closed