Configuration file '/etc/nftables.conf'
 ==> File on system created by you or by a script.
 ==> File also in package provided by package maintainer.
   What would you like to do about it ?  Your options are:
    Y or I  : install the package maintainer's version
    N or O  : keep your currently-installed version
      D     : show the differences between the versions
      Z     : start a shell to examine the situation
The command '/bin/sh -c /suricata-and-chrony-installation.sh' returned a non-zero code: 100
 The default action is to keep your current version.
*** nftables.conf (Y/I/N/O/D/Z) [default=N] ? dpkg: error processing package nftables (--configure):
 end of file on stdin at conffile prompt
Setting up libnss3:amd64 (2:3.49.1-1ubuntu1.5) ...
Setting up libluajit-5.1-2:amd64 (2.1.0~beta3+dfsg-5.1build1) ...
Setting up libnetfilter-queue1 (1.0.3-1) ...
Setting up suricata (6.0.3-0ubuntu2) ...
invoke-rc.d: could not determine current runlevel
invoke-rc.d: policy-rc.d denied execution of start.
Processing triggers for systemd (245.4-4ubuntu3.11) ...
Processing triggers for dbus (1.12.16-2ubuntu2.1) ...
Processing triggers for libc-bin (2.31-0ubuntu9.2) ...
Errors were encountered while processing:
 nftables
E: Sub-process /usr/bin/dpkg returned an error code (1)

Error: Command returned with exit code 100: docker build --build-arg SEMVER_PATCH=20210827 --build-arg OS_NAME=firewall --build-arg BASE_OS_VERSION=20.04 --build-arg BASE_OS_NAME=quay.io/metalstack/ubuntu --build-arg SEMVER_MAJOR_MINOR=2.0-ubuntu --build-arg SEMVER=2.0-ubuntu20210827 --label git.remote_url=https://github.com/metal-stack/metal-images --label git.sha1=9ca0330b --label ci.built_from_scratch=false --file firewall/Dockerfile --no-cache --rm --tag quay.io/metalstack/firewall:2.0-ubuntu20210827 --tag quay.io/metalstack/firewall:2.0-ubuntu firewall