this is my logread output when plugged in, and dmesg afterwards. There don't seem to be any USB assignment. :~
root@Arduino:~# logread -f
Sep 7 19:34:32 Arduino kern.info kernel: [ 289.850000] usb 1-1.1: new high-spe
ed USB device number 6 using ehci-platform
Sep 7 19:34:32 Arduino kern.info kernel: [ 289.980000] usb 1-1.1: New USB devi
ce found, idVendor=12d1, idProduct=1f01
Sep 7 19:34:32 Arduino kern.info kernel: [ 289.980000] usb 1-1.1: New USB devi
ce strings: Mfr=2, Product=1, SerialNumber=0
Sep 7 19:34:32 Arduino kern.info kernel: [ 289.980000] usb 1-1.1: Product: HUA
WEI HiLink
Sep 7 19:34:32 Arduino kern.info kernel: [ 289.980000] usb 1-1.1: Manufacturer
: HUAWEI
Sep 7 19:34:32 Arduino kern.info kernel: [ 290.000000] scsi2 : usb-storage 1-1
.1:1.0
Sep 7 19:34:32 Arduino user.notice usb-modeswitch: 1-1.1:1.0: Manufacturer=HUAW
EI Product=HUAWEI_HiLink Serial=?
Sep 7 19:34:32 Arduino user.notice usb-modeswitch: 1-1.1:1.0: Selecting /etc/us
b_modeswitch.d/12d1:1f01 for mode switching
Sep 7 19:34:32 Arduino syslog.notice usb_modeswitch: switching device 12d1:1f01
on 001/006
Sep 7 19:34:33 Arduino kern.info kernel: [ 290.380000] usb 1-1.1: USB disconne
ct, device number 6
Sep 7 19:34:34 Arduino kern.info kernel: [ 291.900000] usb 1-1.1: new high-spe
ed USB device number 7 using ehci-platform
Sep 7 19:34:34 Arduino kern.info kernel: [ 292.030000] usb 1-1.1: New USB devi
ce found, idVendor=12d1, idProduct=14db
Sep 7 19:34:34 Arduino kern.info kernel: [ 292.030000] usb 1-1.1: New USB devi
ce strings: Mfr=2, Product=1, SerialNumber=0
Sep 7 19:34:34 Arduino kern.info kernel: [ 292.030000] usb 1-1.1: Product: HUA
WEI HiLink
Sep 7 19:34:34 Arduino kern.info kernel: [ 292.030000] usb 1-1.1: Manufacturer