/etc/hosts updated

Change-Id: Ib51e7c7208ab72ff5bc219611451153b6a619b4b
diff --git a/classes/cluster/k8s_ha_contrail/kubernetes/compute.yml b/classes/cluster/k8s_ha_contrail/kubernetes/compute.yml
index 6d06f59..8a4855b 100644
--- a/classes/cluster/k8s_ha_contrail/kubernetes/compute.yml
+++ b/classes/cluster/k8s_ha_contrail/kubernetes/compute.yml
@@ -1,6 +1,7 @@
 classes:
 - system.linux.system.repo.docker
 - system.kubernetes.pool.cluster
+- system.linux.network.hosts
 - system.salt.minion.cert.k8s_client
 - system.salt.minion.cert.etcd_client
 - cluster.k8s_ha_contrail.opencontrail.compute