yes, it is expected. Automatic log collection enabled by k8s-infra uses filelog receiver, and it would not be possible to have correlation between the logs and traces.
You will have to collect logs from the OTEL SDK itself for this.
cc @nitya-signoz
SigNoz is an open-source APM. It helps developers monitor their applications & troubleshoot problems, an open-source alternative to DataDog, NewRelic, etc.