Jetson Nano - Seeed Board J1010 Turned off after some time

hi im using J101 ( ) . its is equipped with quectel ec25 module and i connect 2 usb cameras NLK2MP08s with them… everything worked fine but after sometime like after 2 hours my jetson gets off for no reason apparently. i have attached me kernel and system logs. pleas check and help me escaping out of this fuss.