Specifically:
[ 23.437769] usb 1-3: new full-speed USB device number 6 using xhci_hcd
[ 23.567141] usb 1-3: New USB device found, idVendor=045e, idProduct=07e4
[ 23.567146] usb 1-3: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ 23.567148] usb 1-3: Product: Surface Type Cover
[ 23.567150] usb 1-3: Manufacturer: Microsoft
[ 33.581073] hid-multitouch 0003:045E:07E4.0004: usb_submit_urb(ctrl) failed: -1
[ 33.581092] hid-multitouch 0003:045E:07E4.0004: timeout initializing reports
[ 33.581262] input: Microsoft Surface Type Cover UNKNOWN as /devices/pci0000:00/0000:00:14.0/usb1/1-3/1-3:1.0/0003:045E:07E4.0004/input/input13
[ 33.581512] hid-multitouch 0003:045E:07E4.0004: input,hiddev0,hidraw1: USB HID v1.11 Keyboard [Microsoft Surface Type Cover] on usb-0000:00:14.0-3/input0