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 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 005: ID 1076:7f40 GCT Semiconductor, Inc. 
Bus 001 Device 003: ID 0408:0ff1 Quanta Computer, Inc. 
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub