/etc/hosts updated

Change-Id: Ib51e7c7208ab72ff5bc219611451153b6a619b4b
diff --git a/classes/cluster/ceph_ha/ceph/cfs.yml b/classes/cluster/ceph_ha/ceph/cfs.yml
index a47023e..084de38 100644
--- a/classes/cluster/ceph_ha/ceph/cfs.yml
+++ b/classes/cluster/ceph_ha/ceph/cfs.yml
@@ -1,3 +1,4 @@
 classes:
 - system.linux.system.repo.ubuntu
+- system.linux.network.hosts
 - cluster.ceph_ha.infra