cloud minimized and non minimized images have now been tested with
6.5.0-9 kernel from -proposed and pass our lxd-start-stop test suite
which was failing and which is the test suite which prompted this whole
thread. +1

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https://bugs.launchpad.net/bugs/2038567

Title:
  Disable restricting unprivileged change_profile by default, due to LXD
  latest/stable not yet compatible with this new apparmor feature

Status in Release Notes for Ubuntu:
  New
Status in apparmor package in Ubuntu:
  New
Status in linux package in Ubuntu:
  Fix Committed
Status in lxd package in Ubuntu:
  Triaged
Status in snapd package in Ubuntu:
  New

Bug description:
  Following upgrade to 6.5.0-7 kernel in mantic cloud images we are
  seeing a regression in our cloud image tests. The test runs the
  following:

  ```
  lxd init --auto --storage-backend dir
  lxc launch ubuntu-daily:mantic mantic
  lxc info mantic
  lxc exec mantic -- cloud-init status --wait
  ```

  The `lxc exec mantic -- cloud-init status --wait` times out after 240s
  and will fail our test as a result.

  I have been able to replicate in a local VM

  ```
  wget 
http://cloud-images.ubuntu.com/mantic/20231005/mantic-server-cloudimg-amd64.img 
  wget --output-document=launch-qcow2-image-qemu.sh 
https://gist.githubusercontent.com/philroche/14c241c086a5730481e24178b654268f/raw/7af95cd4dfc8e1d0600e6118803d2c866765714e/gistfile1.txt
 
  chmod +x launch-qcow2-image-qemu.sh 

  ./launch-qcow2-image-qemu.sh --password passw0rd --image 
./mantic-server-cloudimg-amd64.img 
  cat <<EOF > "./reproducer.sh"
  #!/bin/bash -eux
  lxd init --auto --storage-backend dir
  lxc launch ubuntu-daily:mantic mantic
  lxc info mantic
  lxc exec mantic -- cloud-init status --wait
  EOF
  chmod +x ./reproducer.sh
  sshpass -p passw0rd scp -o UserKnownHostsFile=/dev/null -o CheckHostIP=no -o 
StrictHostKeyChecking=no -P 2222 ./reproducer.sh ubuntu@127.0.0.1:~/
  sshpass -p passw0rd ssh -o UserKnownHostsFile=/dev/null -o CheckHostIP=no -o 
StrictHostKeyChecking=no -p 2222 ubuntu@127.0.0.1 sudo apt-get update
  sshpass -p passw0rd ssh -o UserKnownHostsFile=/dev/null -o CheckHostIP=no -o 
StrictHostKeyChecking=no -p 2222 ubuntu@127.0.0.1 sudo apt-get upgrade 
--assume-yes
  sshpass -p passw0rd ssh -o UserKnownHostsFile=/dev/null -o CheckHostIP=no -o 
StrictHostKeyChecking=no -p 2222 ubuntu@127.0.0.1 ./reproducer.sh
  ```

  The issue is not present with the 6.5.0-5 kernel and the issue is
  present regardless of the container launched. I tried the jammy
  container to test this.

  From my test VM

  ```
  ubuntu@cloudimg:~$ uname --all
  Linux cloudimg 6.5.0-7-generic #7-Ubuntu SMP PREEMPT_DYNAMIC Fri Sep 29 
09:14:56 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux
  ubuntu@cloudimg:~$ uname --kernel-release
  6.5.0-7-generic
  ```

  This is a regression in our test that will block 23.10 cloud image
  release next week.

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