[30236.116511] usb 3-3.1.3: new full-speed USB device number 26 using xhci_hcd
[30236.217279] usb 3-3.1.3: New USB device found, idVendor=16c0, idProduct=0478
[30236.217281] usb 3-3.1.3: New USB device strings: Mfr=0, Product=0, SerialNumber=1
[30236.217283] usb 3-3.1.3: SerialNumber: 00049FFE
[30236.218214] hid-generic 0003:16C0:0478.0022: hidraw2: USB HID v1.11 Device [HID 16c0:0478] on usb-0000:00:14.0-3.1.3/input0
[30590.228656] usb 3-3.1.3: USB disconnect, device number 26
[30590.757237] usb 3-3.1.3: new full-speed USB device number 27 using xhci_hcd
[30590.858040] usb 3-3.1.3: New USB device found, idVendor=16c0, idProduct=0478
[30590.858042] usb 3-3.1.3: New USB device strings: Mfr=0, Product=0, SerialNumber=1
[30590.858043] usb 3-3.1.3: SerialNumber: 00049FFE
[30590.859517] hid-generic 0003:16C0:0478.0023: hidraw2: USB HID v1.11 Device [HID 16c0:0478] on usb-0000:00:14.0-3.1.3/input0
opus# ls /dev/ttyACM*
ls: cannot access '/dev/ttyACM*': No such file or directory