[CI] [SKIP TESTS] Add detailed Probe-Agent connection diagnostics

backend/fleet/src/Fleet.Hosting/BufferedNodeLog.cs

@@ -7,7 +7,7 @@ namespace Fleet.Hosting;
 public sealed class BufferedNodeLog : INodeLog, INodeLogBatchSource
 {
     private const int Capacity = 256;
-    private const int MaxFields = 12;
+    private const int MaxFields = 20;
     private const int MaxMessageLength = 512;
     private const int MaxFieldValueLength = 256;
     private const int MaxBatchBytes = 8 << 10;