lsusb - start
Bus 001 Device 002: ID 8087:8008 Intel Corp.
Bus 002 Device 002: ID 8087:8000 Intel Corp.
Bus 003 Device 002: ID 0409:005a NEC Corp. HighSpeed Hub
Bus 003 Device 003: ID 8087:07dc Intel Corp.
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 003 Device 004: ID 0557:8021 ATEN International Co., Ltd
Bus 003 Device 005: ID 0557:2213 ATEN International Co., Ltd CS682 2-Port USB 2.0 DVI KVM Switch