lsusb - first-test
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 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 005 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 006 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 006 Device 002: ID 13fe:5000 Kingston Technology Company Inc.
Bus 002 Device 003: ID 046d:c31c Logitech, Inc. Keyboard K120 for Business
Bus 002 Device 004: ID 046d:c05a Logitech, Inc. Optical Mouse M90
Bus 002 Device 005: ID 0955:0007 NVidia Corp.
Bus 002 Device 006: ID 046d:0821 Logitech, Inc. HD Webcam C910
Bus 002 Device 007: ID 1038:1210 Ideazon, Inc.
Bus 002 Device 008: ID 0cf3:3005 Atheros Communications, Inc. AR3011 Bluetooth