Set kubelet address

Fixes issue with OpenStack cloud provider where kubelet tries to
register with different host IP addresses.

Change-Id: I353b18b16e8bde92fa6281a77ec2e8139925c1a0
diff --git a/tests/pillar/pool_cluster.sls b/tests/pillar/pool_cluster.sls
index b9e7840..7e281b4 100644
--- a/tests/pillar/pool_cluster.sls
+++ b/tests/pillar/pool_cluster.sls
@@ -39,6 +39,7 @@
         - host: 127.0.0.1
     address: 0.0.0.0
     kubelet:
+      address: 127.0.0.1
       config: /etc/kubernetes/manifests
       allow_privileged: True
       frequency: 5s