USB load log

[    0.827090] usbcore: registered new interface driver usbfs
[    0.827103] usbcore: registered new interface driver hub
[    0.827134] usbcore: registered new device driver usb
[    1.532464] usb 1-2: new high speed USB device using ehci_hcd and address 2
[    1.892040] usb 1-4: new high speed USB device using ehci_hcd and address 4
[    2.264039] usb 3-1: new low speed USB device using uhci_hcd and address 2
[    2.425098] scsi2 : usb-storage 1-2:1.0
[    2.434197] scsi3 : usb-storage 1-4:1.0
[    2.440899] usbcore: registered new interface driver usb-storage
[    2.521873] usbcore: registered new interface driver hiddev
[    2.538480] input: Logitech USB Receiver as /devices/pci0000:00/0000:00:1d.1/usb3/3-1/3-1:1.0/input/input6
[    2.539012] generic-usb 0003:046D:C51B.0001: input,hidraw0: USB HID v1.11 Mouse [Logitech USB Receiver] on usb-0000:00:1d.1-1/input0
[    3.101640] generic-usb 0003:046D:C51B.0002: hiddev96,hidraw1: USB HID v1.11 Device [Logitech USB Receiver] on usb-0000:00:1d.1-1/input1
[    3.101665] usbcore: registered new interface driver usbhid
[    3.101667] usbhid: USB HID core driver
[   74.304083] usb 3-1: USB disconnect, address 2
[   96.008056] usb 3-1: new low speed USB device using uhci_hcd and address 3
[   96.215551] input: Logitech USB Receiver as /devices/pci0000:00/0000:00:1d.1/usb3/3-1/3-1:1.0/input/input8
[   96.217258] generic-usb 0003:046D:C51B.0003: input,hidraw0: USB HID v1.11 Mouse [Logitech USB Receiver] on usb-0000:00:1d.1-1/input0
[   96.233261] generic-usb 0003:046D:C51B.0004: hiddev96,hidraw1: USB HID v1.11 Device [Logitech USB Receiver] on usb-0000:00:1d.1-1/input1