Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 026: ID 058f:9254 Alcor Micro Corp. Hub
Bus 002 Device 027: ID 0461:0010 Primax Electronics, Ltd 
Bus 002 Device 028: ID 046d:c06a Logitech, Inc. 
Bus 002 Device 029: ID 10d5:55a2 Uni Class Technology Co., Ltd 2Port KVMSwitcher