Can't say that removing the FTDI drivers made any difference..  Still nothing is recognised on the USB bus.


Bus 020 Device 002: ID 05ac:0274 Apple Inc. Apple Internal Keyboard / Trackpad  Serial: .....
Bus 020 Device 005: ID 05ac:8290 Apple Inc. Bluetooth USB Host Controller
Bus 000 Device 001: ID 1d6b:LPTH Linux Foundation USB 3.0 Bus


$ kextstat | grep -i ftdi


$ kextstat | grep -i usb
   38    1 0xffffff7f81423000 0x4000     0x4000     com.apple.driver.AppleUSBHostMergeProperties (1.1) 01547475-6C58-324B-B81D-F74389BB00FF <4 3 1>
   39   14 0xffffff7f810d7000 0x69000    0x69000    com.apple.iokit.IOUSBHostFamily (1.1) 39E90AC4-0FCA-3CBD-80B2-3CBCD82940DC <35 7 6 5 4 3 1>
   40    3 0xffffff7f8117c000 0x9a000    0x9a000    com.apple.iokit.IOUSBFamily (900.4.1) 365596E4-A771-3427-B576-DB02D03FAEFE <39 12 7 5 4 3 1>
   41    0 0xffffff7f8141e000 0x5000     0x5000     com.apple.driver.usb.AppleUSBHostPacketFilter (1.0) 9888F9CD-B7EE-3A9D-8530-6FA4C167B26C <39 7 6 5 4 3 1>
   56    1 0xffffff7f812e0000 0x40000    0x40000    com.apple.driver.usb.AppleUSBXHCI (1.1) E5F9850E-A1A1-305F-854D-48B46C08B2EC <39 11 7 5 4 3 1>
   57    0 0xffffff7f81326000 0x25000    0x25000    com.apple.driver.usb.AppleUSBXHCIPCI (1.1) C9F96ADF-2D43-3DC1-BBBE-FEDBF682FF08 <56 39 12 11 7 5 4 3 1>
   67    0 0xffffff7f81427000 0x8000     0x8000     com.apple.driver.usb.AppleUSBHostCompositeDevice (1.1) 30502C8D-F4B2-345F-B8F0-F8C54CAD7F46 <39 5 4 3 1>
   68    0 0xffffff7f825d6000 0x8000     0x8000     com.apple.driver.usb.networking (5.0.0) 74394A72-1E87-363E-8CFD-182BD8C9362E <39 5 4 3 1>
   70    1 0xffffff7f812d5000 0xb000     0xb000     com.apple.driver.usb.IOUSBHostHIDDevice (1.1) 0548123A-013B-3C74-86A8-33DF73E9CBBB <39 31 5 4 3 1>
   74    0 0xffffff7f8269b000 0x2000     0x2000     com.apple.driver.AppleUSBTopCaseDriver (103) 5C8E7CE7-6DA5-365E-867F-1502AF506EEF <73 72 70 39 31 6 5 4 3 1>
   78    1 0xffffff7f81148000 0x2d000    0x2d000    com.apple.iokit.IOUSBMassStorageDriver (131.1.1) 91153C74-5D56-340F-B268-C883F80E0EA8 <77 39 16 6 5 4 3 1>
   80    0 0xffffff7f827d3000 0xc000     0xc000     com.apple.driver.AppleUSBCardReader (404.20.1) 25332CB1-E971-33EF-AD2B-A9C3EA267CDA <79 78 77 39 16 5 4 3 1>
  116    1 0xffffff7f818eb000 0x23000    0x23000    com.apple.iokit.IOBluetoothHostControllerUSBTransport (5.0.1f7) 4D685D10-DBB0-37B7-B2E9-E0C878FD22A9 <115 114 39 12 11 7 6 5 4 3 1>
  117    0 0xffffff7f8190e000 0x8000     0x8000     com.apple.iokit.BroadcomBluetoothHostControllerUSBTransport (5.0.1f7) 3B511DE7-A2C2-3A04-AB7A-F0469573DD45 <116 115 114 39 12 11 7 6 5 4 3>
  144    1 0xffffff7f81444000 0x3000     0x3000     com.apple.iokit.IOUSBUserClient (900.4.1) 7215D7B9-EA20-384F-800E-749BDE9E32B6 <40 38 7 5 4 3 1>
  145    0 0xffffff7f84646000 0x8000     0x8000     org.virtualbox.kext.VBoxUSB (5.0.30) A4785347-3EE0-3451-878B-624AB0BF17AC <144 142 40 7 5 4 3 1>