diff --git a/src/network/tun_win.rs b/src/network/tun_win.rs
index a4d813e..745ef9b 100755
--- a/src/network/tun_win.rs
+++ b/src/network/tun_win.rs
@@ -462,6 +462,7 @@ impl TunTapPacketHandler for Iface {
 
         let data = header.split_off(14);
 
+        debug!("got {} bytes from tun", data.len());
         match IpHeaders::from_slice(&data) {
             Ok((iphdr, _payload)) => {
                 //use crate::network::{ArpRequestInfo, ArpResponse, send_arp_request};