[Bug 1922266] Re: eth0 interface name change fails on Pi 3/3+

[Dave Jones]

Attaching debdiff; test builds are available from the following PPA:

https://launchpad.net/~waveform/+archive/ubuntu/ubuntu-
settings/+packages

** Patch added: "1-1922266.debdiff"
   https://bugs.launchpad.net/ubuntu/+source/ubuntu-meta/+bug/1922266/+attachment/5488517/+files/1-1922266.debdiff

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https://bugs.launchpad.net/bugs/1922266

Title:
  eth0 interface name change fails on Pi 3/3+

Status in ubuntu-meta package in Ubuntu:
  Fix Released
Status in ubuntu-settings package in Ubuntu:
  New

Bug description:
  The netplan configuration in ubuntu-raspi-settings (and more widely,
  the network-config in the gadget used on the server images) fails to
  rename the internal ethernet interface on Pi 3B and 3B+ models from
  "en<mac-address>" to "eth0". In the netplan case this is because the
  driver matching logic doesn't handle space-separate driver matches
  (although the underlying networkd system does); in the cloud-init case
  it simply refuses to rename interfaces that aren't matched by full MAC
  address.

  The intended fix is to stop attempting to do this via netplan or
  cloud-init, and simply handle this via a networkd .link file in
  ubuntu-raspi-settings. This will require an update to the relevant
  seeds as this package is currently only pulled into ubuntu-desktop-
  raspi, not ubuntu-server-raspi.

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