dmesg

[  241.076088] usb 1-2: new high-speed USB device number 8 using ehci-pci
[  241.209697] usb 1-2: New USB device found, idVendor=0e8d, idProduct=2000
[  241.209708] usb 1-2: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[  241.209713] usb 1-2: Product: MT65xx Preloader
[  241.209719] usb 1-2: Manufacturer: MediaTek
[  241.311737] cdc_acm 1-2:1.1: ttyACM0: USB ACM device
[  244.867347] usb 1-2: USB disconnect, device number 8