converted all pfkey iptables scenarios

testing/tests/pfkey/rw-cert/pretest.dat

@@ -1,6 +1,6 @@
-moon::/etc/init.d/iptables start 2> /dev/null
-carol::/etc/init.d/iptables start 2> /dev/null
-dave::/etc/init.d/iptables start 2> /dev/null
+moon::iptables-restore < /etc/iptables.rules
+carol::iptables-restore < /etc/iptables.rules
+dave::iptables-restore < /etc/iptables.rules
 moon::ipsec start
 carol::ipsec start
 dave::ipsec start