lower log level on optical path provisioner

Change-Id: I2625088f004100965d57f278c793a75b55b4a737
diff --git a/apps/newoptical/src/main/java/org/onosproject/newoptical/OpticalPathProvisioner.java b/apps/newoptical/src/main/java/org/onosproject/newoptical/OpticalPathProvisioner.java
index 0abbcee..2200ef0 100644
--- a/apps/newoptical/src/main/java/org/onosproject/newoptical/OpticalPathProvisioner.java
+++ b/apps/newoptical/src/main/java/org/onosproject/newoptical/OpticalPathProvisioner.java
@@ -290,7 +290,7 @@
     @Override
     public OpticalConnectivityId setupPath(Path path, Bandwidth bandwidth, Duration latency) {
         checkNotNull(path);
-        log.info("setupPath({}, {}, {})", path, bandwidth, latency);
+        log.debug("setupPath({}, {}, {})", path, bandwidth, latency);
 
         // map of cross connect points (optical port -> packet port)
         Map<ConnectPoint, ConnectPoint> crossConnectPointMap = new HashMap<>();