Example

    output alert_unified2: filename snort.alert, limit 128, nostamp
    output log_unified2: filename snort.log, limit 128, nostamp
    output unified2: filename merged.log, limit 128, nostamp
    output unified2: filename merged.log, limit 128, nostamp, mpls_event_types
    output unified2: filename merged.log, limit 128, nostamp, vlan_event_types