resolve issue #1361 about peer stats excessive logging (#1365)

llarp/peerstats/peer_db.cpp

@@ -80,7 +80,7 @@ namespace llarp
       }
     }
 
-    LogInfo("Updating ", staleStats.size(), " stats");
+    LogDebug("Updating ", staleStats.size(), " stats");
 
     {
       auto guard = m_storage->transaction_guard();
@@ -96,7 +96,7 @@ namespace llarp
     auto end = time_now_ms();
 
     auto elapsed = end - start;
-    LogInfo("PeerDb flush took about ", elapsed, " seconds");
+    LogDebug("PeerDb flush took about ", elapsed, " seconds");
 
     m_lastFlush.store(end);
   }

llarp/router/router.cpp

@@ -860,7 +860,7 @@ namespace llarp
 
       if (m_peerDb->shouldFlush(now))
       {
-        LogWarn("Queing database flush...");
+        LogDebug("Queing database flush...");
         QueueDiskIO([this]() { m_peerDb->flushDatabase(); });
       }
     }