Change Error log to Warn when SyncForwarder fails to send #11364
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What does this PR do?
Changes the log level when the SyncForwarder fails to send a transaction from an error to a warning.
Motivation
Currently, the SyncForwarder is only used by the Serverless agent (aka Lambda Extension). Error logs can cause a Lambda invocation to be flagged as failed in the Datadog UI. However, we do expect occasional networking issues/HTTP errors when sending telemetry to Datadog. To reduce customer confusion/alarm, we should downgrade the severity of this log message from
error
towarn
.Reviewer's Checklist
Triage
milestone is set.changelog/no-changelog
label has been applied.qa/skip-qa
label is not applied.team/..
label has been applied, indicating the team(s) that should QA this change.