registrar nat msg log level

kamailio/registrar-role.cfg

@@ -105,7 +105,7 @@ kazoo.registrar_check_amqp_availability = REGISTRAR_CHECK_AMQP_AVAILABILITY desc
 route[REGISTRAR_NAT]
 {
     if (isflagset(FLT_NATS)) {
-        xlog("L_INFO", "$ci|log|fixing contact for nat request\n");
+        xlog("L_DEBUG", "$ci|log|fixing contact for nat request\n");
         setbflag(FLB_NATB);
         fix_nated_register();
 
@@ -116,7 +116,7 @@ route[REGISTRAR_NAT]
              || (proto!=UDP)
              || ($(xavp(ulattrs=>custom_channel_vars){kz.json,Keep-Alive}) == "false")
             )) {
-            xlog("L_INFO", "$ci|log|set nat pinging\n");
+            xlog("L_DEBUG", "$ci|log|set nat pinging\n");
             setbflag(FLB_NATSIPPING);
         }
     } else {