testing: Converted ipv6/transport-ikev2 to swanctl

testing/tests/ipv6/transport-ikev2/test.conf

@@ -6,7 +6,7 @@
 # All guest instances that are required for this test
 #
 VIRTHOSTS="moon winnetou sun"
- 
+
 # Corresponding block diagram
 #
 DIAGRAM="m-w-s-ip6.png"
@@ -23,3 +23,7 @@ IPSECHOSTS="moon sun"
 # IP protocol used by IPsec is IPv6
 #
 IPV6=1
+
+# charon controlled by swanctl
+#
+SWANCTL=1