Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
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 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 006 Device 002: ID 051d:0002 American Power Conversion Uninterruptible Power Supply
Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 007 Device 004: ID 045e:0023 Microsoft Corp. Trackball Optical
Bus 007 Device 003: ID 045e:00dd Microsoft Corp. 
Bus 007 Device 002: ID 0451:2046 Texas Instruments, Inc. TUSB2046 Hub
Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 003: ID 1058:0500 Western Digital Technologies, Inc. hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 008 Device 002: ID 03f0:3104 Hewlett-Packard DeskJet 960c
Bus 008 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub