iptables/ip6tables unit fails to run

~ $ su root
/home/msx # systemctl enable iptables.service
ln -s '/usr/lib/systemd/system/iptables.service' '/etc/systemd/system/multi-user.target.wants/iptables.service'
/home/msx # systemctl start iptables.service
Job for iptables.service failed. See 'systemctl status iptables.service' and 'journalctl -n' for details.
/home/msx # systemctl status iptables.service
iptables.service - Packet Filtering Framework
          Loaded: loaded (/usr/lib/systemd/system/iptables.service; enabled)
          Active: failed (Result: exit-code) since Sun, 2012-11-04 00:00:01 ART; 11s ago
         Process: 5442 ExecStart=/usr/sbin/iptables-restore /etc/iptables/iptables.rules (code=exited, status=1/FAILURE)
          CGroup: name=systemd:/system/iptables.service

Nov 04 00:00:01 heybeavis systemd[1]: Starting Packet Filtering Framework...
Nov 04 00:00:01 heybeavis iptables-restore[5442]: Can't open /etc/iptables/iptables.rules: No such file or directory
Nov 04 00:00:01 heybeavis systemd[1]: iptables.service: main process exited, code=exited, status=1/FAILURE
Nov 04 00:00:01 heybeavis systemd[1]: Failed to start Packet Filtering Framework.
Nov 04 00:00:01 heybeavis systemd[1]: Unit iptables.service entered failed state