soon@AMD64:~$ dmesg | grep usb
[   31.826549] usbcore: registered new interface driver usbfs
[   31.826571] usbcore: registered new interface driver hub
[   31.826594] usbcore: registered new device driver usb
[   31.828252] usb usb1: configuration #1 chosen from 1 choice
[   32.179146] usb 1-9: new high speed USB device using ehci_hcd and address 2
[   32.315655] usb 1-9: configuration #1 chosen from 1 choice
[   32.814109] usb 1-9.1: new high speed USB device using ehci_hcd and address 4
[   32.914738] usb 1-9.1: configuration #1 chosen from 1 choice
[   32.926036] usbcore: registered new interface driver libusual
[   32.929808] usbcore: registered new interface driver usb-storage
[   32.929943] usb-storage: device found at 4
[   32.929945] usb-storage: waiting for device to settle before scanning
[   36.370983] usb usb2: configuration #1 chosen from 1 choice
[   36.831179] usb 2-10: new low speed USB device using ohci_hcd and address 2
[   37.037892] usb 2-10: configuration #1 chosen from 1 choice
[   37.051362] usbcore: registered new interface driver hiddev
[   37.058235] input: USB HID v1.10 Mouse [B16_b_02 USB-PS/2 Optical Mouse] on usb-0000:00:02.0-10
[   37.058247] usbcore: registered new interface driver usbhid
[   37.058251] drivers/usb/input/hid-core.c: v2.6:USB HID core driver
[   37.921949] usb-storage: device scan complete
[  952.312547] usb 1-9.4: new high speed USB device using ehci_hcd and address 5
[  952.421067] usb 1-9.4: configuration #1 chosen from 1 choice
[  952.421457] usb-storage: device found at 5
[  952.421459] usb-storage: waiting for device to settle before scanning
[  957.411924] usb-storage: device scan complete
[11714.353552] usb 1-9.4: USB disconnect, address 5
[11748.697950] usb 1-9.4: new high speed USB device using ehci_hcd and address 6
[11748.806595] usb 1-9.4: configuration #1 chosen from 1 choice
[11748.807000] usb-storage: device found at 6
[11748.807002] usb-storage: waiting for device to settle before scanning
[11753.797326] usb-storage: device scan complete
[12940.158874] usb 1-9.4: USB disconnect, address 6
[12958.778439] usb 1-9.4: new high speed USB device using ehci_hcd and address 7
[12958.878976] usb 1-9.4: configuration #1 chosen from 1 choice
[12958.879375] usb-storage: device found at 7
[12958.879377] usb-storage: waiting for device to settle before scanning
[12963.873810] usb-storage: device scan complete
soon@AMD64:~$