Comment 12 for bug 1867502

For all in this thread:
If anyone is doing a unattended installation by providing a preseed configuration, you can use the following workaround as long as ubuntu has not published a fix for this topic:

d-i preseed/early_command string sed -i -e '/Package: libc6-udeb/{N;N;s/Version: 2.31-0ubuntu9.*/Version: 2.31-0ubuntu9.3/}' /var/lib/dpkg/status;