Bus 001 Device 002: ID 8087:8001 Intel Corp. 
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 002 Device 004: ID 090c:37c0 Silicon Motion, Inc. - Taiwan (formerly Feiya Technology Corp.) Silicon Motion Camera
Bus 002 Device 003: ID 8087:0a2a Intel Corp. 
Bus 002 Device 002: ID 0458:003a KYE Systems Corp. (Mouse Systems) NetScroll+ Mini Traveler / Genius NetScroll 120
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub