Improved debug output to show multicast output and rigctl port info

src/network.c

@@ -977,7 +977,7 @@ int network_multicast_publisher_start(RIG *rig, const char *multicast_addr,
 
     ENTERFUNC;
 
-    rig_debug(RIG_DEBUG_VERBOSE, "%s(%d):address=%s, port=%d\n", __FILE__, __LINE__,
+    rig_debug(RIG_DEBUG_VERBOSE, "%s(%d):multicast address=%s, port=%d\n", __FILE__, __LINE__,
               multicast_addr, multicast_port);
 
     if (strcmp(multicast_addr, "0.0.0.0") == 0)

tests/rigctld.c

@@ -974,6 +974,7 @@ int main(int argc, char *argv[])
     /*
      * main loop accepting connections
      */
+    rig_debug(RIG_DEBUG_TRACE, "%s: rigctld listening on port %s\n", __func__, portno);
     do
     {
         fd_set set;