Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 007: ID 413c:8156 Dell Computer Corp. 
Bus 003 Device 004: ID 413c:8158 Dell Computer Corp. 
Bus 003 Device 003: ID 413c:8157 Dell Computer Corp. 
Bus 003 Device 002: ID 0a5c:4500 Broadcom Corp. 
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
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 002 Device 002: ID 0c45:63fc Microdia