testing: Add a test scenario for make-before-break reauth using a virtual IP

testing/tests/ikev2/reauth-mbb-virtual-ip/test.conf

@@ -0,0 +1,21 @@
+#!/bin/bash
+#
+# This configuration file provides information on the
+# guest instances used for this test
+
+# All guest instances that are required for this test
+#
+VIRTHOSTS="alice moon carol winnetou"
+
+# Corresponding block diagram
+#
+DIAGRAM="a-m-c-w.png"
+
+# Guest instances on which tcpdump is to be started
+#
+TCPDUMPHOSTS="moon"
+
+# Guest instances on which IPsec is started
+# Used for IPsec logging purposes
+#
+IPSECHOSTS="moon carol"