Every second incoming packet not replicated with "WARN[XXXX]: Couldn't forward packetwrite ... write: connection refused" debug message

[Koguni31]

Every even incoming packet not replicated and sent with "WARN[0044]: Couldn't forward packetwrite ... write: connection refused" debug message. Odd incoming packets are replicated, even - not.

1st replicated and sent, 2nd - not, 3rd - sent, 4th - not and vice versa.

tcpdump approves that above, replicated odd packets are sent, even - not.

replicator output:
[12:43]root@LOGREPLICATOR:/home/centos/udp-replicator-master#./replicator --listen-ip=0.0.0.0 --listen-port=9000 --forward=10.10.10.145:514 --forward=10.10.10.146:514 --debug INFO[0000] Server started ip=0.0.0.0 port=9000 INFO[0000] Forwarding target configured addr="10.10.10.145:514" num=1 total=2 INFO[0000] Forwarding target configured addr="10.10.10.146:514" num=2 total=2 DEBU[0003] Recieved packet body="<13>1 2024-09-19T12:44:07.411481+03:00 LOGSOURCE.home.local root - - [timeQuality tzKnown=\"1\" isSynced=\"1\" syncAccuracy=\"57069\"] Test" source="10.10.10.166:51648" DEBU[0003] Wrote to target body="<13>1 2024-09-19T12:44:07.411481+03:00 LOGSOURCE.home.local root - - [timeQuality tzKnown=\"1\" isSynced=\"1\" syncAccuracy=\"57069\"] Test" source="10.10.10.166:51648" target="10.10.10.145:514" DEBU[0003] Wrote to target body="<13>1 2024-09-19T12:44:07.411481+03:00 LOGSOURCE.home.local root - - [timeQuality tzKnown=\"1\" isSynced=\"1\" syncAccuracy=\"57069\"] Test" source="10.10.10.166:51648" target="10.10.10.146:514" DEBU[3053] Recieved packet body="<13>1 2024-09-19T13:34:58.072172+03:00 LOGSOURCE.home.local root - - [timeQuality tzKnown=\"1\" isSynced=\"1\" syncAccuracy=\"34140\"] Test" source="10.10.10.166:42520" WARN[3053] Could not forward packetwrite udp 10.10.10.162:49160->10.10.10.145:514: write: connection refused body="<13>1 2024-09-19T13:34:58.072172+03:00 LOGSOURCE.home.local root - - [timeQuality tzKnown=\"1\" isSynced=\"1\" syncAccuracy=\"34140\"] Test" source="10.10.10.166:42520" target="10.10.10.145:514" WARN[3053] Could not forward packetwrite udp 10.10.10.162:52942->10.10.10.146:514: write: connection refused body="<13>1 2024-09-19T13:34:58.072172+03:00 LOGSOURCE.home.local root - - [timeQuality tzKnown=\"1\" isSynced=\"1\" syncAccuracy=\"34140\"] Test" source="10.10.10.166:42520" target="10.10.10.146:514" DEBU[3059] Recieved packet body="<13>1 2024-09-19T13:35:03.791543+03:00 LOGSOURCE.home.local root - - [timeQuality tzKnown=\"1\" isSynced=\"1\" syncAccuracy=\"36640\"] Test" source="10.10.10.166:39011" DEBU[3059] Wrote to target body="<13>1 2024-09-19T13:35:03.791543+03:00 LOGSOURCE.home.local root - - [timeQuality tzKnown=\"1\" isSynced=\"1\" syncAccuracy=\"36640\"] Test" source="10.10.10.166:39011" target="10.10.10.145:514" DEBU[3059] Wrote to target body="<13>1 2024-09-19T13:35:03.791543+03:00 LOGSOURCE.home.local root - - [timeQuality tzKnown=\"1\" isSynced=\"1\" syncAccuracy=\"36640\"] Test" source="10.10.10.166:39011" target="10.10.10.146:514" DEBU[3070] Recieved packet body="<13>1 2024-09-19T13:35:14.310357+03:00 LOGSOURCE.home.local root - - [timeQuality tzKnown=\"1\" isSynced=\"1\" syncAccuracy=\"42140\"] Test" source="10.10.10.166:47956" WARN[3070] Could not forward packetwrite udp 10.10.10.162:49160->10.10.10.145:514: write: connection refused body="<13>1 2024-09-19T13:35:14.310357+03:00 LOGSOURCE.home.local root - - [timeQuality tzKnown=\"1\" isSynced=\"1\" syncAccuracy=\"42140\"] Test" source="10.10.10.166:47956" target="10.10.10.145:514" WARN[3070] Could not forward packetwrite udp 10.10.10.162:52942->10.10.10.146:514: write: connection refused body="<13>1 2024-09-19T13:35:14.310357+03:00 LOGSOURCE.home.local root - - [timeQuality tzKnown=\"1\" isSynced=\"1\" syncAccuracy=\"42140\"] Test" source="10.10.10.166:47956" target="10.10.10.146:514" DEBU[3073] Recieved packet body="<13>1 2024-09-19T13:35:17.736449+03:00 LOGSOURCE.home.local root - - [timeQuality tzKnown=\"1\" isSynced=\"1\" syncAccuracy=\"43640\"] Test" source="10.10.10.166:52114" DEBU[3073] Wrote to target body="<13>1 2024-09-19T13:35:17.736449+03:00 LOGSOURCE.home.local root - - [timeQuality tzKnown=\"1\" isSynced=\"1\" syncAccuracy=\"43640\"] Test" source="10.10.10.166:52114" target="10.10.10.145:514" DEBU[3073] Wrote to target body="<13>1 2024-09-19T13:35:17.736449+03:00 LOGSOURCE.home.local root - - [timeQuality tzKnown=\"1\" isSynced=\"1\" syncAccuracy=\"43640\"] Test" source="10.10.10.166:52114" target="10.10.10.146:514" DEBU[3079] Recieved packet body="<13>1 2024-09-19T13:35:23.973106+03:00 LOGSOURCE.home.local root - - [timeQuality tzKnown=\"1\" isSynced=\"1\" syncAccuracy=\"46640\"] Test" source="10.10.10.166:44713" WARN[3079] Could not forward packetwrite udp 10.10.10.162:49160->10.10.10.145:514: write: connection refused body="<13>1 2024-09-19T13:35:23.973106+03:00 LOGSOURCE.home.local root - - [timeQuality tzKnown=\"1\" isSynced=\"1\" syncAccuracy=\"46640\"] Test" source="10.10.10.166:44713" target="10.10.10.145:514" WARN[3079] Could not forward packetwrite udp 10.10.10.162:52942->10.10.10.146:514: write: connection refused body="<13>1 2024-09-19T13:35:23.973106+03:00 LOGSOURCE.home.local root - - [timeQuality tzKnown=\"1\" isSynced=\"1\" syncAccuracy=\"46640\"] Test" source="10.10.10.166:44713" target="10.10.10.146:514" DEBU[3083] Recieved packet body="<13>1 2024-09-19T13:35:27.405625+03:00 LOGSOURCE.home.local root - - [timeQuality tzKnown=\"1\" isSynced=\"1\" syncAccuracy=\"48640\"] Test" source="10.10.10.166:59452" DEBU[3083] Wrote to target body="<13>1 2024-09-19T13:35:27.405625+03:00 LOGSOURCE.home.local root - - [timeQuality tzKnown=\"1\" isSynced=\"1\" syncAccuracy=\"48640\"] Test" source="10.10.10.166:59452" target="10.10.10.145:514" DEBU[3083] Wrote to target body="<13>1 2024-09-19T13:35:27.405625+03:00 LOGSOURCE.home.local root - - [timeQuality tzKnown=\"1\" isSynced=\"1\" syncAccuracy=\"48640\"] Test" source="10.10.10.166:59452" target="10.10.10.146:514"