diff --git a/src/network/packet.rs b/src/network/packet.rs
index 8f4c555..352e3b7 100644
--- a/src/network/packet.rs
+++ b/src/network/packet.rs
@@ -831,14 +831,18 @@ async fn handle_tun_packet(
 
                             let v =
                                 encode_to_udp_message(Some(data), PacketType::Data as u8).unwrap();
-                            println!("xxxx send arp reply");
-                            send_packet_to_net(edge, arp.shwaddr, &v, 0).await;
+                            println!(
+                                "xxxx send arp reply to [{}], selfmac=[{}]",
+                                mac_to_string(&arp.dhwaddr),
+                                mac_to_string(&self_mac)
+                            );
+                            send_packet_to_net(edge, arp.dhwaddr, &v, 0).await;
                             // send_to_sock(edge, &v, from_sock);
                             // edge.sock.send(v).await;
                         }
                     }
                     ARP_REPLY => {
-                        println!("got arp reply");
+                        println!("got arp reply",);
 
                         println!("mac {:?} is at {:?}", arp.shwaddr, from_ip.to_be_bytes());
                         if dest_ip == self_ip {