Configuring log correlation in Azure Functions and application insights

I have a simple Azure Function that I’m trying to setup logging and tracing with open telemetry. I managed to get the logs to show in Application Insights, but I can’t get the traces to be correlated with the requests logs generated automatically.

This is what my code looks like:

import json
import logging
from logging import INFO, Formatter, getLogger

import azure.functions as func
from azure.monitor.opentelemetry import configure_azure_monitor
from opentelemetry import trace
from opentelemetry.propagate import extract

root_logger = logging.getLogger()
for handler in root_logger.handlers[:]:
    root_logger.removeHandler(handler)

configure_azure_monitor(
    logger_name="AI-simple-post",
    logging_formatter=Formatter("%(asctime)s - %(name)s - %(levelname)s - %(message)s"),
)

logger = logging.getLogger("AI-simple-post")


def main(req: func.HttpRequest, context) -> func.HttpResponse:
    logger.info("Request Correlation test")

    carrier = {
        "traceparent": context.trace_context.Traceparent,
        "tracestate": context.trace_context.Tracestate,
    }

    tracer = trace.get_tracer(__name__)
    with tracer.start_as_current_span(
        "local_test_az_function", context=extract(carrier)
    ):
        logger.info("Processing a request")
        logger.error("Test timeout from external resource")
        return func.HttpResponse(
            json.dumps({"Test": "Successful"}), mimetype="application/json"
        )

And here’s my host.json file:

{
  "version": "2.0",
  "telemetryMode": "OpenTelemetry",
  "logging": {
    "applicationInsights": {
      "samplingSettings": {
        "isEnabled": true,
        "excludedTypes": "Request"
      }
    },
    "logLevel": {
      "default": "Warning"
    }
  },
  "extensionBundle": {
    "id": "Microsoft.Azure.Functions.ExtensionBundle",
    "version": "[4.*, 5.0.0)"
  }
}

The problem is that the logs I created are not correlated to the request I get on Application Insights, instead they have a new parentId, is there any way to fix that? Or is my configuration wrong somewhere?