Bus 002 Device 002: ID 8087:8001 Intel Corp. 
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 002: ID 8087:8009 Intel Corp. 
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 003: ID 046d:c52f Logitech, Inc. Unifying Receiver
Bus 003 Device 002: ID 8087:07dc Intel Corp. 
Bus 003 Device 004: ID 413c:2107 Dell Computer Corp. 
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub