enable debug logs

Change-Id: I2623d3aefcd7063f43affbcc4d624dada7892898
diff --git a/Jenkinsfile-voltha-build b/Jenkinsfile-voltha-build
index 2c539e0..21c4e86 100644
--- a/Jenkinsfile-voltha-build
+++ b/Jenkinsfile-voltha-build
@@ -58,7 +58,7 @@
                     sh returnStdout: true, script: """
                     export KUBECONFIG=$WORKSPACE/${configBaseDir}/${configKubernetesDir}/${configFileName}.conf
                     cd kind-voltha/
-                    EXTRA_HELM_FLAGS='-f $WORKSPACE/${configBaseDir}/${configKubernetesDir}/voltha/${configFileName}.yml' WITH_SIM_ADAPTERS=n WITH_RADIUS=y WITH_TP=yes DEPLOY_K8S=no INSTALL_KUBECTL=no INSTALL_HELM=no FANCY=0 ONOS_TAG=voltha-2.1 ./voltha up
+                    EXTRA_HELM_FLAGS='-f $WORKSPACE/${configBaseDir}/${configKubernetesDir}/voltha/${configFileName}.yml' VOLTHA_LOG_LEVEL=DEBUG WITH_SIM_ADAPTERS=n WITH_RADIUS=y WITH_TP=yes DEPLOY_K8S=no INSTALL_KUBECTL=no INSTALL_HELM=no FANCY=0 ONOS_TAG=voltha-2.1 ./voltha up
                     """
                 }
             }