lsusb - ditto-network-loopback
Bus 002 Device 002: ID 8087:8000 Intel Corp.
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 002: ID 8087:8008 Intel Corp.
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 005: ID 05e3:0608 Genesys Logic, Inc. USB-2.0 4-Port HUB
Bus 003 Device 004: ID 04d9:2013 Holtek Semiconductor, Inc. Keyboard [Das Keyboard]
Bus 003 Device 006: ID 0557:2419 ATEN International Co., Ltd
Bus 003 Device 003: ID 0000:0001
Bus 003 Device 002: ID 0781:5567 SanDisk Corp. Cruzer Blade
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub