Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 004: ID 0c45:641d Microdia 1.3 MPixel Integrated Webcam
Bus 002 Device 003: ID 046d:c516 Logitech, Inc. 
Bus 002 Device 004: ID 0409:005a NEC Corp. HighSpeed Hub
Bus 002 Device 005: ID 0409:005a NEC Corp. HighSpeed Hub
Bus 002 Device 006: ID 0ab0:0001 Arrow Strong Electronics Co., Ltd