Disable kube-proxy if using opencontrail

Change-Id: I72290b7d50a6322894bcaf414aa49827ba406bf3
diff --git a/kubernetes/pool/kube-proxy.sls b/kubernetes/pool/kube-proxy.sls
index 64d2945..b065f4f 100644
--- a/kubernetes/pool/kube-proxy.sls
+++ b/kubernetes/pool/kube-proxy.sls
@@ -1,5 +1,5 @@
 {%- from "kubernetes/map.jinja" import pool with context %}
-{%- if pool.enabled %}
+{%- if pool.enabled and pool.network.engine != 'opencontrail' %}
 
 {%- if pool.get('container', 'true') %}