/etc/hosts updated

Change-Id: Ib51e7c7208ab72ff5bc219611451153b6a619b4b
diff --git a/classes/cluster/ceph_ha/ceph/mon.yml b/classes/cluster/ceph_ha/ceph/mon.yml
index 33e9d6d..055a2c8 100644
--- a/classes/cluster/ceph_ha/ceph/mon.yml
+++ b/classes/cluster/ceph_ha/ceph/mon.yml
@@ -1,3 +1,4 @@
 classes:
 - system.ceph.mon.cluster
-- cluster.ceph_ha.ceph.common
\ No newline at end of file
+- cluster.ceph_ha.ceph.common
+- system.linux.network.hosts