[Filebeat] "Configured paths: ... " log printed twice every time

Elastic Stack Beats
1

Hello,

I'm trying to upgrade filebeat daemonsets in my kubernetes cluster from 7.5.0 to 7.8.0 to fix some bugs. While evaluating new version, I found an issue in the filebeat log.

    2020-07-09T11:15:26.303Z    INFO    log/input.go:152    Configured paths: [/var/lib/docker/containers/e6582c1fce29bbbd6debe0095f9b46f7f9bf60ab47cb1f8b13f6dda0fedcd1ae/*-json.log]
    2020-07-09T11:15:26.303Z    INFO    log/input.go:152    Configured paths: [/var/lib/docker/containers/e6582c1fce29bbbd6debe0095f9b46f7f9bf60ab47cb1f8b13f6dda0fedcd1ae/*-json.log]
    2020-07-09T11:15:26.304Z    INFO    log/input.go:152    Configured paths: [/var/lib/docker/containers/47b75d0cc2fd5a0ced67746e2480b2925152646c3a543d2f71ff5a7a3befe7e1/*-json.log]
    2020-07-09T11:15:26.304Z    INFO    log/input.go:152    Configured paths: [/var/lib/docker/containers/47b75d0cc2fd5a0ced67746e2480b2925152646c3a543d2f71ff5a7a3befe7e1/*-json.log]

As you can see in the sample log above, 'Configured paths: ' log printed twice every time. Although I believe adding configured paths multiple times should be fine, I just wanted to make sure if there is anything bad.

Below is the upper parts (providers config) of filebeat.yaml

    apiVersion: v1
    data:
      filebeat.yml: |-
        filebeat.autodiscover:
          providers:
            - type: kubernetes
              host: ${NODE_NAME}
              include_annotations: ~
              include_labels: ~
              labels.dedot: true
              templates:
                - condition:
                    equals:
                      kubernetes.labels.logging_enabled: "true"
                  config:
                    - type: container
                      paths:
                        - "/var/lib/docker/containers/${data.kubernetes.container.id}/*-json.log"
                      scan_frequency: "3s" # default: 10s

Also, I've tested other versions. This issue only happens in 7.8.0 and it wasn't happened until 7.7.1.

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