Avoid overflow of interval

src/tunnel/io.rs

@@ -25,7 +25,7 @@ pub(super) async fn propagate_read(
 
     // We do our own pin_mut! to avoid shadowing timeout and be able to reset it, on next loop iteration
     // We reuse the future to avoid creating a timer in the tight loop
-    let frequency = ping_frequency.unwrap_or(Duration::from_secs(u64::MAX));
+    let frequency = ping_frequency.unwrap_or(Duration::from_secs(3600 * 24));
     let start_at = Instant::now().checked_add(frequency).unwrap_or(Instant::now());
     let timeout = tokio::time::interval_at(start_at, frequency);
     pin_mut!(timeout);