[QUESTION]: I collect pod log to loki，but Convert failed in using DynamicLabels

[huangyanhong]

Before asking a question, please first consider:

**I use fush_loki collect log to loki,but it can't work, how to use __meta_kubernetes_pod_label_name DynamicLabels **

  
{
  "contents": {
    "content": "{\"level\":\"info\",\"msg\":\"connect redis acquiring lock failed:%!(EXTRA *net.OpError=dial tcp********:6379: i/o timeout)\",\"time\":\"2025-07-16T02:36:04Z\"}"
  },
  "tags": {
    "__host_ip__": "**********",
    "host.ip": "************",
    "host.name": "**************",
    "k8s.node.ip": "*********",
    "k8s.node.name": "cn-shanghai.*******",
    "log.file.path": "/var/lib/container/app/huifucloud-sevnt-ser/test/logs/****/huifucloud-sevnt-ser.20250716.log"
  },
  "time": 1752633364
}


       Convert:
          TagFieldsRename:
            k8s.node.ip: k8s_node_ip
            log.file.path: log_file_path
        DynamicLabels:
          - tag.log_file_path
          - tag.k8s_node_ip
          - __meta_kubernetes_pod_label_name

rted field: __meta_kubernetes_pod_label_name    logstore:       config:pod-file-log
2025-07-17 05:09:48 [ERR] [flusher_loki.go:158] [Flush] [pod-file-log/2]        AlarmType:FLUSHER_FLUSH_ALARM   flush loki convert log fail, error:unsupported field: __meta_kubernetes_pod_label_name    logstore:       config:pod-file-log
2025-07-17 05:09:51 [ERR] [flusher_loki.go:158] [Flush] [pod-file-log/2]        AlarmType:FLUSHER_FLUSH_ALARM   flush loki convert log fail, error:unsupported field: __meta_kubernetes_pod_label_name    logstore:       config:pod-file-log
2025-07-17 05:09:54 [ERR] [flusher_loki.go:158] [Flush] [pod-file-log/2]        AlarmType:FLUSHER_FLUSH_ALARM   flush loki convert log fail, error:unsupported field: __meta_kubernetes_pod_label_name    logstore:       config:pod-file-log
2025-07-17 05:10:00 [ERR] [flusher_loki.go:158] [Flush] [pod-file-log/2]        AlarmType:FLUSHER_FLUSH_ALARM   flush loki convert log fail, error:unsupported field: __meta_kubernetes_pod_label_name    logstore:       config:pod-file-log
2025-07-17 05:10:03 [ERR] [flusher_loki.go:158] [Flush] [pod-file-log/2]        AlarmType:FLUSHER_FLUSH_ALARM   flush loki convert log fail, error:unsupported field: __meta_kubernetes_pod_label_name    logstore:       config:pod-file-log
2025-07-17 05:10:06 [ERR] [flusher_loki.go:158] [Flush] [pod-file-log/2]        AlarmType:FLUSHER_FLUSH_ALARM   flush loki convert log fail, error:unsupported field: __meta_kubernetes_pod_label_name    logstore:

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