Bus 007 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 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 026: ID 043d:0059 Lexmark International, Inc. 
Bus 004 Device 025: ID 10d5:55a2 Uni Class Technology Co., Ltd 2Port KVMSwitcher
Bus 004 Device 024: ID 046d:c512 Logitech, Inc. LX-700 Cordless Desktop Receiver
Bus 004 Device 023: ID 058f:9254 Alcor Micro Corp. Hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 003: ID 0a48:4001 I/O Interconnect 
Bus 002 Device 002: ID 1058:1102 Western Digital Technologies, Inc. 
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 005: ID 0424:2514 Standard Microsystems Corp. USB 2.0 Hub
Bus 001 Device 004: ID 05a9:2649 OmniVision Technologies, Inc. 
Bus 001 Device 002: ID 0424:2512 Standard Microsystems Corp. USB 2.0 Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub