lsusb - GPUTEST
Bus 002 Device 002: ID 8087:8000 Intel Corp.
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 002: ID 8087:8008 Intel Corp.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 004: ID 413c:2003 Dell Computer Corp. Keyboard
Bus 003 Device 003: ID 04b8:0865 Seiko Epson Corp. ME OFFICE 520 Series
Bus 003 Device 002: ID 413c:3200 Dell Computer Corp. Mouse
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub