Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 008 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
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 001 Device 023: ID 04d9:2013 Holtek Semiconductor, Inc. 
Bus 001 Device 022: ID 0557:7000 ATEN International Co., Ltd Hub
Bus 001 Device 021: ID 0451:2077 Texas Instruments, Inc. TUSB2077 Hub
Bus 001 Device 020: ID 17ef:1005 Lenovo 
Bus 001 Device 005: ID 17ef:480c Lenovo 
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 005: ID 0a5c:2145 Broadcom Corp. 
Bus 004 Device 002: ID 08ff:2810 AuthenTec, Inc. 
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