ubuntu@ubuntu:~$ lsusb
Bus 002 Device 003: ID 1058:25a2 Western Digital Technologies, Inc. Elements 25A2
Bus 002 Device 002: ID 2109:0813 VIA Labs, Inc. VL813 Hub
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 003: ID 2109:2813 VIA Labs, Inc. VL813 Hub
Bus 001 Device 002: ID 2109:3431 VIA Labs, Inc. Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub