add debug logging

src/service_daemon.rs

@@ -1377,14 +1377,15 @@ impl Zeroconf {
 
     /// Sends out a list of `questions` (i.e. DNS questions) via multicast.
     fn send_query_vec(&self, questions: &[(&str, u16)]) {
-        debug!("Sending multicast queries: {:?}", questions);
+        debug!("Sending query questions: {:?}", questions);
         let mut out = DnsOutgoing::new(FLAGS_QR_QUERY);
         let now = current_time_millis();
 
         for (name, qtype) in questions {
             out.add_question(name, *qtype);
 
             for record in self.cache.get_known_answers(name, *qtype, now) {
+                debug!("add known answer: {:?}", record);
                 let mut new_record = record.clone();
                 new_record.get_record_mut().update_ttl(now);
                 out.add_additional_answer_box(new_record);