added ikev1/dpd-restart scenario

testing/tests/ikev1/dpd-restart/evaltest.dat

@@ -0,0 +1,10 @@
+moon::ipsec status::STATE_MAIN_I4 (ISAKMP SA established)::YES
+carol::iptables -I INPUT 1 -i eth0 -s PH_IP_MOON -j DROP::no output expected::NO
+moon::sleep 35::no output expected::NO
+carol::iptables -D INPUT 1::no output expected::NO
+moon::cat /var/log/auth.log::inserting event EVENT_DPD::YES
+moon::cat /var/log/auth.log::DPD: No response from peer - declaring peer dead::YES
+moon::cat /var/log/auth.log::DPD: Terminating all SAs using this connection::YES
+moon::cat /var/log/auth.log::DPD: Restarting connection::YES
+moon::sleep 5::no output expected::NO
+moon::ipsec status::STATE_MAIN_I4 (ISAKMP SA established)::YES