fix regex, add debug

src/autodiscovery.rs

@@ -33,7 +33,7 @@ pub fn watch_autodiscovered_ips(
 
     tokio::spawn(async move {
         let mut last_index = None;
-        let re = Regex::new(r".*autodiscovery/(\w+)/(\w+)$").unwrap();
+        let re = Regex::new(r".*autodiscovery/(ipv[46])/([^/]+)$").unwrap();
 
         while !*must_exit.borrow() {
             let r = select! {
@@ -66,6 +66,7 @@ pub fn watch_autodiscovered_ips(
                 }
             }
 
+            debug!("Autodiscovered addresses fetched from Consul: {:?}", addresses);
             if tx.send(Arc::new(addresses)).is_err() {
                 info!("Autodiscovered addresses watcher terminating");
             }