Adjust virtlet-ds.yaml and bump virtlet to 1.0.3

Change-Id: If88c0335bed215426bac630e9d0bdbe5b39559b7
diff --git a/tests/pillar/master_contrail4_0.sls b/tests/pillar/master_contrail4_0.sls
index ec48f54..e6c6085 100644
--- a/tests/pillar/master_contrail4_0.sls
+++ b/tests/pillar/master_contrail4_0.sls
@@ -37,7 +37,7 @@
       virtlet:
         enabled: true
         namespace: kube-system
-        image: mirantis/virtlet:v1.0.0
+        image: mirantis/virtlet:v1.0.3
         hosts:
         - cmp01
         - cmp02