Using enable_aws_for_fluentbit = true creates a log group with a suffix but is used without it from the container

[jpambrun]

Description

Adding enable_aws_for_fluentbit = true to the configuration does create a log group, /aws/eks/jf-test-cluster/aws-fluentbit-logs-20240110180918467200000001 in my case, but no logs makes it there.

This is not in line with the documentation [1] which states: "Check the list of log groups in the Region. You should see the following: /aws/eks/complete/aws-fluentbit-logs".

Then, looking at the fluenbit container log I see

Log Group /aws/eks/jf-test-cluster/aws-fluentbit-logs not found and `auto_create_group` disabled.     
Failed to send events                                                                              

It looks like there is a disconnect between what is created (i.e. with the suffix) and what is referenced in the configmap (without the suffix)

[OUTPUT]
    Name                  cloudwatch_logs
    Match                 *
    region                us-east-2
    log_group_name        /aws/eks/jf-test-cluster/aws-fluentbit-logs
    log_stream_prefix     fluentbit-log_stream_template   $kubernetes['pod_name'].$kubernetes['container_name']

I don't have any other fluentbit related config, but even specifying a different prefix in aws_for_fluentbit_cw_log_group doesn't help.

[1] https://aws-ia.github.io/terraform-aws-eks-blueprints-addons/main/addons/aws-for-fluentbit/