From de593f951daab0daf8d5f2c2bcf2f5bd7f0aa8af Mon Sep 17 00:00:00 2001
From: Bob Jacobsen <jacobsen@mac.com>
Date: Thu, 30 Apr 2026 10:30:40 -0400
Subject: [PATCH] only act on datagram replies matched to our requests

---
 openlcb/datagramservice.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/openlcb/datagramservice.py b/openlcb/datagramservice.py
index dd70f4f..8b0ae74 100644
--- a/openlcb/datagramservice.py
+++ b/openlcb/datagramservice.py
@@ -246,6 +246,9 @@ def handleDatagramReceivedOK(self, message: Message):
         # match to the memo and remove from queue
         memo = self.matchToWriteMemo(message)  # type: DatagramWriteMemo|None
 
+        # check for whether a match was found, indicating this was for us
+        if memo is None : return
+        
         # check of tracking logic
         if self.currentOutstandingMemo != memo:
             logger.error(