I have made a topic with more details on likely this same issue: viewtopic.php?t=46434

Hoping to have more luck resolving our issue here. Originally we tried on the OpenThread discussions board: https://github.com/orgs/openthread/discussions/11627

We are using the ESP32C6 chip in our custom board which only has USB ( /dev/ttyACM0 ), no UART, and we want to use it as an OpenThread ...