Fix ipv6 issue for ping

server/util-server.js

@@ -87,11 +87,10 @@ exports.ping = async (hostname, size = 56) => {
         return await exports.pingAsync(hostname, false, size);
     } catch (e) {
         // If the host cannot be resolved, try again with ipv6
-        // As node-ping does not report a specific error for this, try again with ipv6 no matter what.
         console.debug("ping", "IPv6 error message: " + e.message);
 
+        // As node-ping does not report a specific error for this, try again if it is an empty message with ipv6 no matter what.
         if (!e.message) {
-            // TODO: Problem, the error message is always from the ipv6 ping! Misleading!
             return await exports.pingAsync(hostname, true, size);
         } else {
             throw e;