2020-08-19 21:31:50,106 - Changing monitoring state from "Offline" to "Detecting serial connection"
2020-08-19 21:31:50,130 - Performing autodetection with 7 port/baudrate candidates: /dev/ttyS0@115200, /dev/ttyS0@250000, /dev/ttyS0@230400, /dev/ttyS0@57600, /dev/ttyS0@38400, /dev/ttyS0@19200, /dev/ttyS0@9600
2020-08-19 21:31:50,131 - Trying port /dev/ttyS0, baudrate 115200
2020-08-19 21:31:50,133 - Connecting to port /dev/ttyS0, baudrate 115200
2020-08-19 21:31:50,139 - Handshake attempt #1 with timeout 2.0s
2020-08-19 21:31:51,209 - Could not write anything to the serial port in 5 tries, something appears to be wrong with the printer communication
2020-08-19 21:31:51,327 - Changing monitoring state from "Detecting serial connection" to "Offline (Error: Could not write to serial port)"
2020-08-19 21:31:51,426 - Closing down send loop
2020-08-19 23:59:39,124 - Changing monitoring state from "Offline" to "Detecting serial connection"
2020-08-19 23:59:39,164 - Performing autodetection with 7 port/baudrate candidates: /dev/ttyS0@115200, /dev/ttyS0@250000, /dev/ttyS0@230400, /dev/ttyS0@57600, /dev/ttyS0@38400, /dev/ttyS0@19200, /dev/ttyS0@9600
2020-08-19 23:59:39,165 - Trying port /dev/ttyS0, baudrate 115200
2020-08-19 23:59:39,168 - Connecting to port /dev/ttyS0, baudrate 115200
2020-08-19 23:59:39,216 - Unexpected error while connecting to serial port /dev/ttyS0, baudrate 115200 from hook default: error: '(22, 'Invalid argument')' @ comm.py:_open_serial:2784
2020-08-19 23:59:39,217 - Could not open port /dev/ttyS0, baudrate 115200, skipping
2020-08-19 23:59:39,218 - Trying port /dev/ttyS0, baudrate 250000
2020-08-19 23:59:39,221 - Connecting to port /dev/ttyS0, baudrate 250000
2020-08-19 23:59:39,224 - Handshake attempt #1 with timeout 2.0s
2020-08-19 23:59:40,228 - Could not write anything to the serial port in 5 tries, something appears to be wrong with the printer communication
2020-08-19 23:59:40,234 - Changing monitoring state from "Detecting serial connection" to "Offline (Error: Could not write to serial port)"
2020-08-19 23:59:40,242 - Closing down send loop