testing: Migrate ikev2-stroke-bye scenarios to vici

testing/tests/ikev2/net2net-same-nets/posttest.dat

@@ -0,0 +1,6 @@
+sun::iptables -t mangle -n -v -L PREROUTING
+sun::iptables -t nat -n -v -L
+moon::systemctl stop strongswan
+sun::systemctl stop strongswan
+moon::iptables-restore < /etc/iptables.flush
+sun::iptables-restore < /etc/iptables.flush