Many `can't remove non-existent inotify watch for: /var/log/pods/xxxxxx` errors in logfilesmetricexporter container.

$ oc -n openshift-logging logs -c logfilesmetricexporter collector-m6cg6 -f
{"component":"","level":"0","message":"start log metric exporter","path":"/var/log/pods","ts":"2022-05-31T02:56:21.998089878Z"}
{"component":"","error":{"msg":"can't remove non-existent inotify watch for: /var/log/pods/openshift-logging_collector-kwzsg_3b3aaa34-8233-48ba-8f63-312f5258351f/collector"},"level":"0","message":"Error retrieving event","operation":"REMOVE","path":"/var/log/pods/openshift-logging_collector-kwzsg_3b3aaa34-8233-48ba-8f63-312f5258351f/collector","ts":"2022-05-31T02:56:26.384332941Z"}
{"component":"","error":{"msg":"can't remove non-existent inotify watch for: /var/log/pods/openshift-logging_collector-kwzsg_3b3aaa34-8233-48ba-8f63-312f5258351f/collector"},"level":"0","message":"Error retrieving event","operation":"REMOVE","path":"/var/log/pods/openshift-logging_collector-kwzsg_3b3aaa34-8233-48ba-8f63-312f5258351f/collector","ts":"2022-05-31T02:56:26.384621621Z"}
......
{"component":"","error":{"msg":"can't remove non-existent inotify watch for: /var/log/pods/openshift-logging_elasticsearch-im-infra-27566115-cv6mx_6dd07f39-2468-4926-91c0-f00a9145657d"},"level":"0","message":"Error retrieving event","operation":"REMOVE","path":"/var/log/pods/openshift-logging_elasticsearch-im-infra-27566115-cv6mx_6dd07f39-2468-4926-91c0-f00a9145657d","ts":"2022-05-31T03:30:26.896938222Z"}
{"component":"","error":{"msg":"can't remove non-existent inotify watch for: /var/log/pods/openshift-marketplace_qe-app-registry-9jx5r_9f630faf-8516-4a4b-9b77-57e554fc03a4/registry-server/0.log"},"level":"0","message":"Error retrieving event","operation":"REMOVE","path":"/var/log/pods/openshift-marketplace_qe-app-registry-9jx5r_9f630faf-8516-4a4b-9b77-57e554fc03a4/registry-server/0.log","ts":"2022-05-31T03:31:45.275541262Z"}

apiVersion: logging.openshift.io/v1
kind: ClusterLogging
metadata:
  name: instance
  namespace: openshift-logging
spec:
  collection:
    logs:
      fluentd: {}
      type: fluentd
  logStore:
    elasticsearch:
      nodeCount: 1
      redundancyPolicy: ZeroRedundancy
      resources:
        requests:
          cpu: 100m
          memory: 1Gi
      storage:
        size: 20Gi
        storageClassName: standard
    retentionPolicy:
      application:
        maxAge: 60h
      audit:
        maxAge: 1d
      infra:
        maxAge: 3h
    type: elasticsearch
  managementState: Managed
  visualization:
    kibana:
      replicas: 1
    type: kibana