Change in-port to CONTROLLER for packet-outs.

Change-Id: I964da6baaee1e9ca2e7b9b724266793077036bd8
diff --git a/providers/openflow/packet/src/main/java/org/onosproject/provider/of/packet/impl/OpenFlowPacketProvider.java b/providers/openflow/packet/src/main/java/org/onosproject/provider/of/packet/impl/OpenFlowPacketProvider.java
index d75a2a8..8cae352 100644
--- a/providers/openflow/packet/src/main/java/org/onosproject/provider/of/packet/impl/OpenFlowPacketProvider.java
+++ b/providers/openflow/packet/src/main/java/org/onosproject/provider/of/packet/impl/OpenFlowPacketProvider.java
@@ -15,11 +15,6 @@
  */
 package org.onosproject.provider.of.packet.impl;
 
-import static org.slf4j.LoggerFactory.getLogger;
-
-import java.nio.ByteBuffer;
-import java.util.Collections;
-
 import org.apache.felix.scr.annotations.Activate;
 import org.apache.felix.scr.annotations.Component;
 import org.apache.felix.scr.annotations.Deactivate;
@@ -51,6 +46,11 @@
 import org.projectfloodlight.openflow.types.OFPort;
 import org.slf4j.Logger;
 
+import java.nio.ByteBuffer;
+import java.util.Collections;
+
+import static org.slf4j.LoggerFactory.getLogger;
+
 
 /**
  * Provider which uses an OpenFlow controller to detect network
@@ -138,7 +138,7 @@
                 .build();
         return builder
                 .setBufferId(OFBufferId.NO_BUFFER)
-                .setInPort(OFPort.NO_MASK)
+                .setInPort(OFPort.CONTROLLER)
                 .setActions(Collections.singletonList(act))
                 .setData(eth)
                 .build();