Caputre BBSim services state at the end of the test

Change-Id: I25e9d8b8bbbff39cb654fa18c26b00d34b23576e
diff --git a/jjb/pipeline/voltha-scale-test.groovy b/jjb/pipeline/voltha-scale-test.groovy
index 54ac693..ad25bde 100644
--- a/jjb/pipeline/voltha-scale-test.groovy
+++ b/jjb/pipeline/voltha-scale-test.groovy
@@ -469,7 +469,8 @@
 
       for bbsim in "${IDS[@]}"
       do
-        kubectl exec -t $bbsim bbsimctl onu list > $LOG_FOLDER/$bbsim-device-list.txt || true
+        kubectl exec -t $bbsim -- bbsimctl onu list > $LOG_FOLDER/$bbsim-device-list.txt || true
+        kubectl exec -t $bbsim -- bbsimctl service list > $LOG_FOLDER/$bbsim-service-list.txt || true
       done
       '''
       // get ONOS debug infos