$ lsusb
Bus 008 Device 002: ID 8087:8002 Intel Corp.
Bus 008 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 007 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 006 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 003: ID 046d:c215 Logitech, Inc. Extreme 3D Pro
Bus 003 Device 002: ID 2109:3431 VIA Labs, Inc. Hub
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 005 Device 002: ID 8087:800a Intel Corp.
Bus 005 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 002: ID 046d:c24a Logitech, Inc. G600 Gaming Mouse
Bus 001 Device 003: ID 1267:0103 Logic3 / SpectraVideo plc G-720 Keyboard
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub