garagebox:~# lsusb
Bus 002 Device 001: ID 0000:0000  
Bus 001 Device 001: ID 0000:0000  
garagebox:~# lsusb -t
Bus#  2
`-Dev#   1 Vendor 0x0000 Product 0x0000
Bus#  1
`-Dev#   1 Vendor 0x0000 Product 0x0000
  `-Dev#   6 Vendor 0x1915 Product 0x2234
garagebox:~#