I added a small systemd unit file to avoid this bug. The unit file is unconventional, as it calls the shell script instead of replacing it. Note, that my experience with systemd is quite limited.
The systemd unit file contains the following: [Unit] Description=Loads iptables rules from /etc/iptables Before=network.target [Service] Type=oneshot RemainAfterExit=yes ExecStart=/etc/init.d/iptables-persistent start [Install] WantedBy=multi-user.target As a user you can save it as /etc/systemd/system/iptables-persistent.service. In the package, it should be saved as /lib/systemd/system/iptables-persistent.service instead.
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