$ dmesg | tail
usb-storage: device found at 5
usb-storage: waiting for device to settle before scanning
usb-storage: device scan complete
usb 2-1: USB disconnect, address 5
usb 2-1: new high speed USB device using ehci_hcd and address 6
usb 2-1: configuration #1 chosen from 1 choice
scsi5 : SCSI emulation for USB Mass Storage devices
usb-storage: device found at 6
usb-storage: waiting for device to settle before scanning
usb-storage: device scan complete