updating submodules; and docker config
diff --git a/config/onlab_develop_pod.yml b/config/onlab_develop_pod.yml
index 1e12b4e..dc0d295 100644
--- a/config/onlab_develop_pod.yml
+++ b/config/onlab_develop_pod.yml
@@ -28,6 +28,10 @@
   skipTags:
     - 'switch_support'
     - 'interface_config'
+
+docker:
+  imageVersion: candidate
+
 otherNodes:
   # Experimental
   #