dmesg | grep usb
usbcore: registered new interface driver usbfs
usbcore: registered new interface driver hub
usbcore: registered new device driver usb
usbcore: registered new interface driver usb-storage
usb usb1: configuration #1 chosen from 1 choice
usb usb2: configuration #1 chosen from 1 choice
usbcore: registered new interface driver usblp
drivers/usb/class/usblp.c: v0.13: USB Printer Device Class driver
usb 1-1: new high speed USB device using ehci_hcd and address 2
usb 1-1: configuration #1 chosen from 1 choice
usbcore: registered new interface driver asix
usbcore: registered new interface driver cdc_ether
usbcore: registered new interface driver net1080
usbcore: registered new interface driver rndis_host
usbcore: registered new interface driver zaurus
usb 1-1.2: new high speed USB device using ehci_hcd and address 3
usb 1-1.2: configuration #1 chosen from 1 choice
eth3: register 'cdc_ether' at usb-0000:00:04.1-1.2, CDC Ethernet Device, 58:2c:80:13:92:63
usbcore: registered new interface driver cdc_acm
drivers/usb/class/cdc-acm.c: v0.26:USB Abstract Control Model driver for USB modems and ISDN adapters
usb 1-1.2: USB disconnect, address 3
eth3: unregister 'cdc_ether' usb-0000:00:04.1-1.2, CDC Ethernet Device
usbcore: deregistering interface driver cdc_acm
usb 1-1.2: new high speed USB device using ehci_hcd and address 4
usb 1-1.2: configuration #1 chosen from 1 choice
usb 1-1.2: USB disconnect, address 4
usb 1-1.2: new high speed USB device using ehci_hcd and address 5
usb 1-1.2: configuration #1 chosen from 1 choice
eth3: register 'cdc_ether' at usb-0000:00:04.1-1.2, CDC Ethernet Device, 58:2c:80:13:92:63
usbcore: registered new interface driver cdc_acm
drivers/usb/class/cdc-acm.c: v0.26:USB Abstract Control Model driver for USB modems and ISDN adapters
usb 1-1.2: USB disconnect, address 5
eth3: unregister 'cdc_ether' usb-0000:00:04.1-1.2, CDC Ethernet Device
usbcore: deregistering interface driver cdc_acm
usb 1-1.2: new high speed USB device using ehci_hcd and address 6
usb 1-1.2: configuration #1 chosen from 1 choice
usb 1-1.2: USB disconnect, address 6
usb 1-1.2: new high speed USB device using ehci_hcd and address 7
usb 1-1.2: configuration #1 chosen from 1 choice
eth3: register 'cdc_ether' at usb-0000:00:04.1-1.2, CDC Ethernet Device, 58:2c:80:13:92:63
usbcore: registered new interface driver cdc_acm
drivers/usb/class/cdc-acm.c: v0.26:USB Abstract Control Model driver for USB modems and ISDN adapters