WARNING: Version 1.1 of Packetbeat has passed its EOL date.
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Logstash outputs remove
@metadata fields automatically. Therefore, if Logstash instances are chained directly or via some message
queue (for example, Redis or Kafka), the
@metadata field will not be available in the final Logstash instance.
@metadata fields, use the Logstash mutate filter with the rename setting to rename the fields to