r8168 8.045.08-2 ADT test failure with linux-hwe-edge 5.3.0-19.20~18.04.2

[Khaled El Mously]

Testing failed on:
    amd64: https://objectstorage.prodstack4-5.canonical.com/v1/AUTH_77e2ada1e7a84929a74ba3b87153c0ac/autopkgtest-bionic/bionic/amd64/r/r8168/20191023_185031_1395c@/log.gz
    arm64: https://objectstorage.prodstack4-5.canonical.com/v1/AUTH_77e2ada1e7a84929a74ba3b87153c0ac/autopkgtest-bionic/bionic/arm64/r/r8168/20191023_191826_1395c@/log.gz
    i386: https://objectstorage.prodstack4-5.canonical.com/v1/AUTH_77e2ada1e7a84929a74ba3b87153c0ac/autopkgtest-bionic/bionic/i386/r/r8168/20191023_185656_1395c@/log.gz
    ppc64el: https://objectstorage.prodstack4-5.canonical.com/v1/AUTH_77e2ada1e7a84929a74ba3b87153c0ac/autopkgtest-bionic/bionic/ppc64el/r/r8168/20191023_185837_1395c@/log.gz

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[Thadeu Lima de Souza Cascardo (cascardo)]

Unpacking r8168-dkms (8.045.08-2ubuntu1) over (8.045.08-2) ...
Setting up r8168-dkms (8.045.08-2ubuntu1) ...
Loading new r8168-8.045.08 DKMS files...
Building for 5.3.0-21-generic 5.3.0-23-generic
Module build for kernel 5.3.0-21-generic was skipped since the
kernel headers for this kernel does not seem to be installed.
Building initial module for 5.3.0-23-generic
EFI variables are not supported on this system
/sys/firmware/efi/efivars not found, aborting.
Done.

r8168:
Running module version sanity check.
 - Original module
   - No original module exists within this kernel
 - Installation
   - Installing to /lib/modules/5.3.0-23-generic/updates/dkms/

depmod....