lsusb - Igor
Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 002 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 005 Device 004: ID 0424:2514 Standard Microsystems Corp. USB 2.0 Hub
Bus 005 Device 003: ID 046d:0821 Logitech, Inc. HD Webcam C910
Bus 005 Device 002: ID 2109:0811
Bus 005 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 001 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 003 Device 003: ID 1532:001c Razer USA, Ltd RZ01-0036 Optical Gaming Mouse [Abyssus]
Bus 003 Device 004: ID 1c4f:0026 SiGma Micro Keyboard
Bus 003 Device 002: ID 1a40:0101 Terminus Technology Inc. 4-Port HUB
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub