diff --git a/jjb/pipeline/voltha/master/bbsim-tests.groovy b/jjb/pipeline/voltha/master/bbsim-tests.groovy
index 4b49728..2d201da 100755
--- a/jjb/pipeline/voltha/master/bbsim-tests.groovy
+++ b/jjb/pipeline/voltha/master/bbsim-tests.groovy
@@ -106,11 +106,19 @@
       ps aux | grep port-forward
       """
       // setting ONOS log level
-      sh """
-      sshpass -e ssh -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no -p 30115 karaf@127.0.0.1 log:set ${logLevel.toUpperCase()} org.opencord.olt
-      sshpass -e ssh -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no -p 30115 karaf@127.0.0.1 log:set ${logLevel.toUpperCase()} org.opencord.aaa
-      sshpass -e ssh -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no -p 30115 karaf@127.0.0.1 log:set ${logLevel.toUpperCase()} org.opencord.dhcpl2relay
-      """
+      script {
+        setOnosLogLevels([
+          onosNamespace: infraNamespace,
+          apps: [
+            'org.opencord.dhcpl2relay',
+            'org.opencord.olt',
+            'org.opencord.aaa',
+            'org.onosproject.net.flowobjective.impl.FlowObjectiveManager',
+            'org.onosproject.net.flowobjective.impl.InOrderFlowObjectiveManager'
+          ],
+          logLevel: logLevel
+        ])
+      }
     }
   }
   stage('Run test ' + testTarget + ' on ' + workflow + ' workFlow') {
diff --git a/jjb/pipeline/voltha/master/voltha-scale-test.groovy b/jjb/pipeline/voltha/master/voltha-scale-test.groovy
index c0336dc..9c427f0 100644
--- a/jjb/pipeline/voltha/master/voltha-scale-test.groovy
+++ b/jjb/pipeline/voltha/master/voltha-scale-test.groovy
@@ -599,6 +599,7 @@
         fi
 
         cd voltha-system-tests
+        make vst_venv
         source ./vst_venv/bin/activate || true
         python tests/scale/collect-result.py -r $WORKSPACE/RobotLogs/output.xml -p $WORKSPACE/plots > $WORKSPACE/execution-time.txt || true
         cat $WORKSPACE/execution-time.txt
@@ -770,6 +771,7 @@
       sh '''
       if [ ${withMonitoring} = true ] ; then
         cd $WORKSPACE/voltha-system-tests
+        make vst_venv
         source ./vst_venv/bin/activate || true
         sleep 60 # we have to wait for prometheus to collect all the information
         python scripts/sizing.py -o $WORKSPACE/plots || true