Bus 002 Device 002: ID 8087:0020  
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 004: ID 04f2:b071 Chicony Electronics Co., Ltd 2.0M UVC Webcam / CNF7129
Bus 001 Device 003: ID 8086:0186 Intel Corp. 
Bus 001 Device 002: ID 8087:0020  
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub