Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 003: ID 06cb:00c9 Synaptics, Inc. 
Bus 003 Device 007: ID 2109:8817 VIA Labs, Inc. 
Bus 003 Device 006: ID 04d9:fa50 Holtek Semiconductor, Inc. USB2.0 Hub             
Bus 003 Device 005: ID 2109:0103 VIA Labs, Inc. 
Bus 003 Device 002: ID 2109:2817 VIA Labs, Inc. USB2.0 Hub             
Bus 003 Device 004: ID 8087:0026 Intel Corp. 
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 003: ID 058f:8468 Alcor Micro Corp. 
Bus 002 Device 002: ID 2109:0817 VIA Labs, Inc. USB3.0 Hub             
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub