testing: Migrate ikev2-stroke-bye scenarios to vici

testing/tests/ikev2/net2net-dnscert/hosts/sun/etc/strongswan.conf

@@ -0,0 +1,19 @@
+# /etc/strongswan.conf - strongSwan configuration file
+
+swanctl {
+  load = pem pkcs1 x509 revocation constraints pubkey openssl random
+}
+
+charon-systemd {
+  load = random nonce aes sha1 sha2 hmac curve25519 gmp dnskey pem pkcs1 pubkey unbound dnscert x509 curl kernel-netlink socket-default vici updown
+
+  plugins {
+    dnscert {
+      enable = yes
+    }
+    unbound {
+      trust_anchors = /etc/swanctl/dnssec.keys
+      resolv_conf = /etc/resolv.conf
+    }
+  }
+}