Adjust virtlet-ds.yaml and bump virtlet to 1.0.3

Change-Id: If88c0335bed215426bac630e9d0bdbe5b39559b7
diff --git a/tests/pillar/pool_cluster_with_domain.sls b/tests/pillar/pool_cluster_with_domain.sls
index 271d762..4fea3dc 100644
--- a/tests/pillar/pool_cluster_with_domain.sls
+++ b/tests/pillar/pool_cluster_with_domain.sls
@@ -16,7 +16,7 @@
       virtlet:
         enabled: true
         namespace: kube-system
-        image: mirantis/virtlet:v1.0.0
+        image: mirantis/virtlet:v1.0.3
         hosts:
         - cmp01
         - cmp02