Bus 002 Device 003: ID 040b:2000 Weltrend Semiconductor 
Bus 002 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 004: ID 17ef:480f Lenovo Integrated Webcam [R5U877]
Bus 001 Device 003: ID 046d:c01b Logitech, Inc. MX310 Optical Mouse
Bus 001 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub