dmesg attached.

** Attachment added: "dmesg.out"
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1827961/+attachment/5298808/+files/dmesg.out

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https://bugs.launchpad.net/bugs/1827961

Title:
  Lenovo dock MAC Address pass through doesn't work in Ubuntu

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  Similar to bug
  https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1579984 the MAC
  address pass through does not work with a Lenovo Thunderbolt 3
  Workstation Dock.

  The dock's network port is recognized and working but it has its own
  MAC address even though MAC Address pass through is enabled in the
  BIOS.

  This is the dock in question:

  https://www.lenovo.com/us/en/accessories-and-monitors/top-tech
  /Thunderbolt-WS-230W-dock-US/p/40AN0230US

  and the laptop is a Lenovo P1. Debug files attached.

  
  Please let me know if further info is required.

  Thanks!

  ProblemType: Bug
  DistroRelease: Ubuntu 19.04
  Package: linux-image-5.0.0-13-generic 5.0.0-13.14
  ProcVersionSignature: Ubuntu 5.0.0-13.14-generic 5.0.6
  Uname: Linux 5.0.0-13-generic x86_64
  ApportVersion: 2.20.10-0ubuntu27
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC2:  rauer      2107 F.... pulseaudio
   /dev/snd/controlC1:  rauer      2107 F.... pulseaudio
   /dev/snd/controlC0:  rauer      2107 F.... pulseaudio
  CurrentDesktop: i3
  Date: Mon May  6 19:34:26 2019
  InstallationDate: Installed on 2019-04-09 (27 days ago)
  InstallationMedia: Ubuntu 19.04 "Disco Dingo" - Alpha amd64 (20190326.2)
  MachineType: LENOVO 20MES1WH00
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.0.0-13-generic 
root=UUID=9c2b3401-a2e2-41ae-bc22-d1de22149ee0 ro quiet splash vt.handoff=1
  RelatedPackageVersions:
   linux-restricted-modules-5.0.0-13-generic N/A
   linux-backports-modules-5.0.0-13-generic  N/A
   linux-firmware                            1.178
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 04/15/2019
  dmi.bios.vendor: LENOVO
  dmi.bios.version: N2EET39W (1.21 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 20MES1WH00
  dmi.board.vendor: LENOVO
  dmi.board.version: SDK0Q40104 WIN
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: None
  dmi.modalias: 
dmi:bvnLENOVO:bvrN2EET39W(1.21):bd04/15/2019:svnLENOVO:pn20MES1WH00:pvrThinkPadP1:rvnLENOVO:rn20MES1WH00:rvrSDK0Q40104WIN:cvnLENOVO:ct10:cvrNone:
  dmi.product.family: ThinkPad P1
  dmi.product.name: 20MES1WH00
  dmi.product.sku: LENOVO_MT_20ME_BU_Think_FM_ThinkPad P1
  dmi.product.version: ThinkPad P1
  dmi.sys.vendor: LENOVO

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