Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 007 Device 002: ID 046d:c52b Logitech, Inc. 
Bus 007 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 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 008 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 004: ID 046d:0990 Logitech, Inc. QuickCam Pro 9000
Bus 001 Device 002: ID 0bc2:0501 Seagate RSS LLC 
Bus 001 Device 003: ID 1058:1001 Western Digital Technologies, Inc. External Hard Disk
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub