martin@buzzard:/dev/disk/by-id$ lsusb
Bus 004 Device 002: ID 05e3:0660 Genesys Logic, Inc. USB 2.0 Hub
Bus 004 Device 001: ID 0000:0000
Bus 001 Device 001: ID 0000:0000
Bus 003 Device 001: ID 0000:0000
Bus 002 Device 001: ID 0000:0000