Comment 3 for bug 1960168

1) launched focal lxd container
2) enabled proposed
3) installed the v5.15 based kernel
apt install linux-generic-hwe-20.04-edge
4) disabled proposed

5) observed that it fails to install

apt install openafs-modules-dkms

Setting up openafs-modules-dkms (1.8.4~pre1-1ubuntu2.3) ...
Loading new openafs-1.8.4pre1 DKMS files...
It is likely that 5.13.0-40-generic belongs to a chroot's host
Building for 5.15.0-25-generic
Building initial module for 5.15.0-25-generic
Error! Bad return status for module build on kernel: 5.15.0-25-generic (x86_64)
Consult /var/lib/dkms/openafs/1.8.4pre1/build/make.log for more information.
dpkg: error processing package openafs-modules-dkms (--configure):
 installed openafs-modules-dkms package post-installation script subprocess returned error ex
it status 10

6) enabled proposed once again

7) observed that iptables-netflow-dkms from proposed installs & builds fine

Setting up openafs-modules-dkms (1.8.4~pre1-1ubuntu2.4) ...
Loading new openafs-1.8.4pre1 DKMS files...
It is likely that 5.13.0-40-generic belongs to a chroot's host
Building for 5.15.0-25-generic
Building initial module for 5.15.0-25-generic
Done.

openafs.ko:
Running module version sanity check.
 - Original module
   - No original module exists within this kernel
 - Installation
   - Installing to /lib/modules/5.15.0-25-generic/updates/dkms/

depmod...

DKMS: install completed.
Setting up openafs-modules-source (1.8.4~pre1-1ubuntu2.4) ...