Old logs from openshift getting pushed to ES after a node restart

After a node restart happens, we could see a lot of very old logs coming to ES.

Fluents version - 1.14.1

Conf:

<source>
  @type tail
  @id in_tail_container_logs
  path "#{ENV['FLUENT_CONTAINER_TAIL_PATH'] || '/var/log/containers/*.log'}"
  pos_file /var/log/fluentd-containers.log.pos
  tag "#{ENV['FLUENT_CONTAINER_TAIL_TAG'] || 'kubernetes.*'}"
  exclude_path "#{ENV['FLUENT_CONTAINER_TAIL_EXCLUDE_PATH'] || use_default}"
  read_from_head true
  @include ../tail_container_parse.conf
</source>```