At some point the Jetson rebooted by itself right in the middle of maneuvers. After that the RoboClaw moved from /dev/ttyACM0 to /dev/ttyACM1 and the node crashed, and the camera got stuck looking for itself in the saved map. The best part came next: the motors pulled 6 A each and the robot "didn't move", I already thought something was jammed. But it was moving, the camera pose was just frozen.