Fix coredns endpoint

Change-Id: I71105fb59ef050d7bfe5e2609a81c7a47efec18b
diff --git a/kubernetes/files/federation/coredns.conf b/kubernetes/files/federation/coredns.conf
index 1999965..b6f02ff 100644
--- a/kubernetes/files/federation/coredns.conf
+++ b/kubernetes/files/federation/coredns.conf
@@ -1,6 +1,6 @@
 {%- from "kubernetes/map.jinja" import master with context %}
 {%- from "kubernetes/map.jinja" import common with context %}
 [Global]
-etcd-endpoints = http://coredns-etcd.{{ common.addons.coredns.namespace }}:2379
+etcd-endpoints = http://coredns-etcd-cluster-client.{{ common.addons.coredns.namespace }}:2379
 zones = {{ master.federation.name }}