After an `adb reboot edl`, output of `dmesg`:  
```
usb 1-2: USB disconnect, device number 78
usb 1-2: new high-speed USB device number 79 using xhci_hcd
usb 1-2: New USB device found, idVendor=05c6, idProduct=9024, bcdDevice=ff.ff
usb 1-2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
usb 1-2: Product: Android
usb 1-2: Manufacturer: Android
usb 1-2: SerialNumber: 1234567890ABCDEF
rndis_host 1-2:1.0 usb0: register 'rndis_host' at usb-0000:00:15.0-2, RNDIS device, 8e:ba:ce:c7:aa:a1
usb 1-2: USB disconnect, device number 79
rndis_host 1-2:1.0 usb0: unregister 'rndis_host' usb-0000:00:15.0-2, RNDIS device
usb 1-2: new high-speed USB device number 80 using xhci_hcd
usb 1-2: New USB device found, idVendor=05c6, idProduct=9008, bcdDevice= 0.00
usb 1-2: New USB device strings: Mfr=0, Product=2, SerialNumber=0
usb 1-2: Product: QHSUSB__BULK
usbcore: registered new interface driver qcserial
usbserial: USB Serial support registered for Qualcomm USB modem
qcserial 1-2:1.0: Qualcomm USB modem converter detected
usb 1-2: Qualcomm USB modem converter now attached to ttyUSB0
```