lsusb - test
Bus 001 Device 005: ID 1058:1021 Western Digital Technologies, Inc. Elements 2TB
Bus 002 Device 017: ID 05dc:a838 Lexar Media, Inc.
Bus 003 Device 004: ID 0461:4d16 Primax Electronics, Ltd
Bus 003 Device 003: ID 046d:c310 Logitech, Inc.
Bus 005 Device 002: ID 046b:ff10 American Megatrends, Inc.
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: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 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 008 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub