PathPainter: lower log level

Change-Id: I5e5683cf3763beb7dfdafff86fd365dbefe35387
diff --git a/apps/pathpainter/src/main/java/org/onosproject/pathpainter/PathPainterTopovMessageHandler.java b/apps/pathpainter/src/main/java/org/onosproject/pathpainter/PathPainterTopovMessageHandler.java
index 04d3ae0..b24bd85 100644
--- a/apps/pathpainter/src/main/java/org/onosproject/pathpainter/PathPainterTopovMessageHandler.java
+++ b/apps/pathpainter/src/main/java/org/onosproject/pathpainter/PathPainterTopovMessageHandler.java
@@ -273,7 +273,7 @@
     }
 
     private void findAndSendPaths(Mode mode) {
-        log.info("src={}; dst={}; mode={}", src, dst, currentMode);
+        log.debug("src={}; dst={}; mode={}", src, dst, currentMode);
         if (src != null && dst != null) {
             pathIndex = 0;
             ImmutableSet.Builder<Link> builder = ImmutableSet.builder();