Comment 6 for bug 1960169

1) launched focal lxd VM, removed kvm kernel, installed v5.15 hwe-20.04-edge kernel.

2) checked that existing module fails to install

Setting up rtl8812au-dkms (4.3.8.12175.20140902+dfsg-0ubuntu13~20.04.3) ...
Loading new rtl8812au-4.3.8.12175.20140902+dfsg DKMS files...
Building for 5.15.0-25-generic
Building initial module for 5.15.0-25-generic
ERROR: Cannot create report: [Errno 17] File exists: '/var/crash/rtl8812au-dkms.0.crash'
Error! Bad return status for module build on kernel: 5.15.0-25-generic (x86_64)
Consult /var/lib/dkms/rtl8812au/4.3.8.12175.20140902+dfsg/build/make.log for more informati
on.
dpkg: error processing package rtl8812au-dkms (--configure):
 installed rtl8812au-dkms package post-installation script subprocess returned error exit s
tatus 10
Errors were encountered while processing:
 rtl8812au-dkms
E: Sub-process /usr/bin/dpkg returned an error code (1)

3) checked that new package installs correctly

Unpacking rtl8812au-dkms (4.3.8.12175.20140902+dfsg-0ubuntu13~20.04.4) over (4.3.8.12175.20
140902+dfsg-0ubuntu13~20.04.3) ...
Setting up rtl8812au-dkms (4.3.8.12175.20140902+dfsg-0ubuntu13~20.04.4) ...
Loading new rtl8812au-4.3.8.12175.20140902+dfsg DKMS files...
Building for 5.15.0-25-generic
Building initial module for 5.15.0-25-generic
Can't load /var/lib/shim-signed/mok/.rnd into RNG
140687348028736:error:2406F079:random number generator:RAND_load_file:Cannot open file:../c
rypto/rand/randfile.c:98:Filename=/var/lib/shim-signed/mok/.rnd
Generating a RSA private key
...........................................................................................
.....................................................................................+++++
..................+++++
writing new private key to '/var/lib/shim-signed/mok/MOK.priv'
-----
Done.

8812au.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.