Fix issue with loglevel workaround

Change-Id: Ida1719ad05c7f6ecca781ac9363fb4823d96f817
diff --git a/jjb/pipeline/voltha-physical-functional-tests.groovy b/jjb/pipeline/voltha-physical-functional-tests.groovy
index f46dc56..c4c9dc2 100644
--- a/jjb/pipeline/voltha-physical-functional-tests.groovy
+++ b/jjb/pipeline/voltha-physical-functional-tests.groovy
@@ -74,6 +74,8 @@
         # Default kind-voltha config doesn't work on ONF demo pod for accessing kvstore.
         # The issue is that the mgmt node is also one of the k8s nodes and so port forwarding doesn't work.
         # We should change this. In the meantime here is a workaround.
+        set +e
+
         voltctl loglevel list
         if [ \$? -ne 0 ]
         then