Bus 001 Device 002: ID 8087:8000 Intel Corp. Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 003 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 002 Device 003: ID 0bda:57b4 Realtek Semiconductor Corp. Bus 002 Device 005: ID 1c4f:0003 SiGma Micro HID controller Bus 002 Device 004: ID 046d:c31c Logitech, Inc. Keyboard K120 for Business Bus 002 Device 002: ID 1a40:0201 Terminus Technology Inc. FE 2.1 7-port Hub Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub