Docker module on ubuntu fails with

[guysoft]

Related: https://bugs.launchpad.net/ubuntu/+source/linux-raspi/+bug/1947601

Manually installing linux-modules-extra-raspi solves the issue, however in CustomPiOS running this triggers flash-kernel which fails.
Overriding flask-kernel does not install the module correctly.

[guysoft]

Flash-kernel bug report: https://bugs.launchpad.net/ubuntu/+source/flash-kernel/+bug/1955353
Apparently it should know its in chroot

[guysoft]

A fix has been released in to Ubuntu:

This bug was fixed in the package flash-kernel - 3.106ubuntu7

---------------
flash-kernel (3.106ubuntu7) kinetic; urgency=medium

  * Change FK_FORCE_CONTAINER to FK_FORCE and cleanly exit if running
    in a chroot environment (LP: [#1955353](https://bugs.launchpad.net/bugs/1955353))

 -- William 'jawn-smith' Wilson <jawn-smith@ubuntu.com> Thu, 08 Sep 2022 09:16:55 -0500

Still need to test it.

[guysoft]

There is a fix now in devel that uses the proposed package

[guysoft]

Fixed also the cgroup bug docker/for-linux#219