[  243.722049] usb 6-2: USB disconnect, device number 3
[  243.722204] pl2303 ttyUSB0: pl2303 converter now disconnected from ttyUSB0
[  243.722219] pl2303 6-2:1.0: device disconnected
[  252.015195] usb 6-2: new full-speed USB device number 4 using uhci_hcd
[  252.173529] usb 6-2: New USB device found, idVendor=0557, idProduct=2008
[  252.173533] usb 6-2: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[  252.173536] usb 6-2: Product: USB-Serial Controller D
[  252.173540] usb 6-2: Manufacturer: Prolific Technology Inc. 
[  252.176601] pl2303 6-2:1.0: pl2303 converter detected
[  252.188612] usb 6-2: pl2303 converter now attached to ttyUSB0