step towards backwards compatability

Change-Id: I703e403cee1556d85bbbdd03f82c36be5a643708
diff --git a/nodes/cfg01.virtual-mcp11-aio.local.yml b/nodes/cfg01.virtual-mcp11-aio.local.yml
new file mode 100644
index 0000000..88f3267
--- /dev/null
+++ b/nodes/cfg01.virtual-mcp11-aio.local.yml
@@ -0,0 +1,6 @@
+classes:
+- system.linux.system.single
+- cluster.virtual-mcp11-aio.infra.config
+parameters:
+  _param:
+    linux_system_codename: xenial