Bus 004 Device 002: ID 046d:c043 Logitech, Inc. MX320/MX400 Laser Mouse
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 002: ID 03f0:8904 Hewlett-Packard DeskJet 6940 series
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 002: ID 04a9:2213 Canon, Inc. CanoScan LiDE 50/LiDE 35/LiDE 40
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub