systemd boot up: iptables fails but shorewall loads?

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https://bbs.archlinux.org – I've just got Arch installed and running a few days ago and I'm in the process of moving the system to pure systemd setup.I installed iptables and shoreline firewall (shorewall) but I don't know if I need to have both process loading in my daemon boot scripts or not?Currently I do but my boot list shows that iptables and ip6tables fail to load, whilst shorewall/shorewall6 load but their sub-state is exited.I configured shorewall according to the wiki guide, which basically involves copying the files in '/usr/share/docs/shorewall/Samples/Universal' in to '/etc/shor (HowTos)