panx@panx:~$ dmesg | grep usb
[    0.353920] usbcore: registered new interface driver usbfs
[    0.353920] usbcore: registered new interface driver hub
[    0.354129] usbcore: registered new device driver usb
[    1.260420] usbcore: registered new interface driver libusual
[    1.580034] usb 4-1: new low-speed USB device number 2 using ohci_hcd
[    1.756507] usbcore: registered new interface driver usbhid
[    1.756510] usbhid: USB HID core driver
[    1.762361] input: A4Tech USB Mouse as /devices/pci0000:00/0000:00:12.1/usb4/4-1/4-1:1.0/input/input3
[    1.762447] a4tech 0003:09DA:000A.0001: input,hidraw0: USB HID v1.10 Mouse [A4Tech USB Mouse] on usb-0000:00:12.1-1/input0
[    2.028076] usb 3-3: new full-speed USB device number 2 using ohci_hcd
[    2.456834] scsi6 : usb-storage 3-3:1.2
[    2.456918] usbcore: registered new interface driver usb-storage
[    6.953708] usblp0: USB Bidirectional printer dev 2 if 0 alt 0 proto 2 vid 0x04F9 pid 0x0201
[    6.953740] usbcore: registered new interface driver usblp
[  125.077416] usblp0: removed
[  180.867504] usblp0: USB Bidirectional printer dev 2 if 0 alt 0 proto 2 vid 0x04F9 pid 0x0201
[  182.073257] usblp0: removed
[  182.083149] usblp0: USB Bidirectional printer dev 2 if 0 alt 0 proto 2 vid 0x04F9 pid 0x0201
panx@panx:~$ ^C