Adding Modulation to UI

Change-Id: I651dc44dd8f784962f4bc74bcbf246441a236707
diff --git a/drivers/odtn-driver/src/main/java/org/onosproject/drivers/odtn/util/NetconfSessionUtility.java b/drivers/odtn-driver/src/main/java/org/onosproject/drivers/odtn/util/NetconfSessionUtility.java
index 786c999..6c9500c 100644
--- a/drivers/odtn-driver/src/main/java/org/onosproject/drivers/odtn/util/NetconfSessionUtility.java
+++ b/drivers/odtn-driver/src/main/java/org/onosproject/drivers/odtn/util/NetconfSessionUtility.java
@@ -48,7 +48,7 @@
      */
     public static NetconfSession getNetconfSession(DeviceId deviceId,
                                                    NetconfController controller) {
-        log.info("Inside getNetconfSession () method for device : {}", deviceId);
+        log.debug("Inside getNetconfSession () method for device : {}", deviceId);
         NetconfDevice ncdev = controller.getDevicesMap().get(deviceId);
         if (ncdev == null) {
             log.trace("No netconf device, returning null session");
@@ -77,7 +77,7 @@
         } catch (InterruptedException ie) {
             log.error("Interrupted Exception: {}.", ie);
         } catch (ExecutionException ee) {
-            log.error("Concurrent Exception while executing Netconf operation: {}.", ee);
+            log.error("Concurrent Exception while executing Netconf operation: {}.", ee.getCause());
         }
         return null;
     }