Lowering packet-in log to debug

Change-Id: I2b216bd78a38dfd4a13f87833b027cd37153b828
diff --git a/rw_core/core/device/logical_agent.go b/rw_core/core/device/logical_agent.go
index 7ab00da..917313e 100644
--- a/rw_core/core/device/logical_agent.go
+++ b/rw_core/core/device/logical_agent.go
@@ -355,7 +355,7 @@
 
 func (agent *LogicalAgent) packetIn(ctx context.Context, port uint32, transactionID string, packet []byte) {
 	if logger.V(log.InfoLevel) {
-		logger.Infow(ctx, "packet-in", log.Fields{
+		logger.Debugw(ctx, "packet-in", log.Fields{
 			"port":          port,
 			"packet":        hex.EncodeToString(packet),
 			"transactionId": transactionID,