Bus 004 Device 004: ID 03f0:231d Hewlett-Packard 4 GB Flash Drive
Bus 004 Device 003: ID 0461:4dce Primax Electronics, Ltd 
Bus 004 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 004 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 002: ID 1058:1230 Western Digital Technologies, Inc. 
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 004: ID 03f0:3a1d Hewlett-Packard 
Bus 003 Device 003: ID 138a:003c Validity Sensors, Inc. VFS471 Fingerprint Reader
Bus 003 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
