expanded ikev2/ip-two-pools-db to a spoke-to-hub network using virtual IP addresses

testing/tests/ikev2/ip-two-pools-db/hosts/dave/etc/strongswan.conf

@@ -0,0 +1,5 @@
+# /etc/strongswan.conf - strongSwan configuration file
+
+charon {
+  load = curl aes des sha1 sha2 md5 gmp random x509 pubkey hmac xcbc stroke
+}