[Bug 1884281] Re: UC20 images do not use predictable interface names on RPi4

[Dimitri John Ledkov]

UC20 only uses predictable names. It is intentional to use stable names.
There is nothing in the gadget about it. But rather kernel drivers, dtb,
udev.

eth0 name is a bug. And it means udev failed to establish a predictable
name for it.

I think we either need to add an additional policy file for it, to at
least use mac based name and/or work with kernel & upstream to
positively identify it.

** Also affects: linux-raspi2 (Ubuntu)
   Importance: Undecided
       Status: New

** Package changed: linux-raspi2 (Ubuntu) => linux-raspi (Ubuntu)

** Also affects: systemd (Ubuntu)
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/1884281

Title:
  UC20 images do not use predictable interface names on RPi4

Status in snapd:
  Triaged
Status in linux-raspi package in Ubuntu:
  New
Status in systemd package in Ubuntu:
  New

Bug description:
  Image tested: http://cdimage.ubuntu.com/ubuntu-core/20/dangerous-
  beta/pending/ubuntu-core-20-arm64+raspi.img.xz

  Boot the image and check the naming of the ethernet interfaces. On
  most devices (amd64, rpi3 etc) systemd predicatable interface naming
  is applied e.g. enxb827eb7d1eee. However on specifically RPi4 devices
  traditional naming is used e.g. eth0, eth1.

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