added netsh output

src/network/tun_win.rs

@@ -66,7 +66,7 @@ impl  Iface {
 
         match res {
             Ok(r) => {
-                debug!("netsh ok: {:?}", r);
+                debug!("netsh ok: {:?}", String::from_utf8_lossy(&r.stdout));
             }
             Err(e) => {
                 error!("failed to run netsh: {}", e.to_string());