diff --git a/classes/cluster/os-ha-ovs-syndic/.env b/classes/cluster/os-ha-ovs-syndic/.env
new file mode 100644
index 0000000..b8847b6
--- /dev/null
+++ b/classes/cluster/os-ha-ovs-syndic/.env
@@ -0,0 +1 @@
+EXTRA_FORMULAS="nginx"
diff --git a/classes/cluster/virtual-mcp11-k8s-contrail/.env b/classes/cluster/virtual-mcp11-k8s-contrail/.env
new file mode 100644
index 0000000..e5922db
--- /dev/null
+++ b/classes/cluster/virtual-mcp11-k8s-contrail/.env
@@ -0,0 +1 @@
+EXTRA_FORMULAS="heka"
diff --git a/classes/system b/classes/system
index 4648fd5..1ddaca1 160000
--- a/classes/system
+++ b/classes/system
@@ -1 +1 @@
-Subproject commit 4648fd5808962af295497d0fa9b41bfdf9f5e25f
+Subproject commit 1ddaca160ad1b181562cbe2592ec55974024d46c