Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 002: ID 1c4f:0034 SiGma Micro Bus 001 Device 003: ID 173d:0004 QSENN Bus 001 Device 004: ID 0557:7000 ATEN International Co., Ltd Hub Bus 001 Device 006: ID 0557:2419 ATEN International Co., Ltd