I am following the article https://www.splunk.com/en_us/blog/it/splunking-aws-ecs-part-2-sending-ecs-logs-to-splunk.html to enable splunk logging for ECS EC2 running a demo ASP.NET dotnet 5.0 weatherforecast webapi image. No logs appear in Splunk Cloud Trail version. When I look at the logs of the splunk/fluentd-hec:1.2.0 container I see the error " failed to flush the buffer. retry_time=2 next_retry_seconds=2021-12-03 08:25:21 +0000 chunk="5d239a1fb8d1cc285dc139c24de689c5" error_class=SocketError error="Failed to open TCP connection to https:443 (getaddrinfo: Name or service not known)"
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