root@idir-server4:~# lsusb -t
Bus# 1
`-Dev# 1 Vendor 0x1d6b Product 0x0001
Bus# 2
`-Dev# 1 Vendor 0x1d6b Product 0x0001
Bus# 3
`-Dev# 1 Vendor 0x1d6b Product 0x0001
Bus# 4
`-Dev# 1 Vendor 0x1d6b Product 0x0001
Bus# 5
`-Dev# 1 Vendor 0x1d6b Product 0x0002
`-Dev# 3 Vendor 0x04b4 Product 0x6560
|-Dev# 8 Vendor 0x0bc2 Product 0x3312
`-Dev# 11 Vendor 0x413c Product 0x2105