Linear increase cpu/memory utilization on auditbeat 7.15.0 or later

Hello,

I've got running many auditbeat on linux.
Recently, I've upgrade from auditbeat version 7.5.x to 7.15.2
But unexpected some server error occurred in this version.

When "auditd" error continues to occur, the CPU and MEMORY utilization linear increase.
It only occurs on a specific server, even on many server with the same OS and application installed.


/var/log/auditbeat/auditbeat ERROR log:

...
2021-12-22T12:47:11.486+0900	ERROR	[auditd]	auditd/audit_linux.go:204	get status request failed:failed to get audit status reply: no reply received
2021-12-22T12:57:56.488+0900	ERROR	[auditd]	auditd/audit_linux.go:204	get status request failed:failed to get audit status reply: no reply received
2021-12-22T13:06:41.486+0900	ERROR	[auditd]	auditd/audit_linux.go:204	get status request failed:failed to get audit status reply: no reply received
2021-12-22T13:08:11.488+0900	ERROR	[auditd]	auditd/audit_linux.go:204	get status request failed:failed to get audit status reply: no reply received
2021-12-22T13:11:26.490+0900	ERROR	[auditd]	auditd/audit_linux.go:204	get status request failed:failed to get audit status reply: no reply received
2021-12-22T13:16:26.489+0900	ERROR	[auditd]	auditd/audit_linux.go:204	get status request failed:failed to get audit status reply: no reply received
2021-12-22T13:26:11.489+0900	ERROR	[auditd]	auditd/audit_linux.go:204	get status request failed:failed to get audit status reply: no reply received
2021-12-22T13:28:11.490+0900	ERROR	[auditd]	auditd/audit_linux.go:204	get status request failed:failed to get audit status reply: no reply received
2021-12-22T13:32:26.488+0900	ERROR	[auditd]	auditd/audit_linux.go:204	get status request failed:failed to get audit status reply: no reply received
2021-12-22T13:38:26.492+0900	ERROR	[auditd]	auditd/audit_linux.go:204	get status request failed:failed to get audit status reply: no reply received
2021-12-22T13:42:41.489+0900	ERROR	[auditd]	auditd/audit_linux.go:204	get status request failed:failed to get audit status reply: no reply received
2021-12-22T13:45:26.490+0900	ERROR	[auditd]	auditd/audit_linux.go:204	get status request failed:failed to get audit status reply: no reply received
2021-12-22T13:50:41.488+0900	ERROR	[auditd]	auditd/audit_linux.go:204	get status request failed:failed to get audit status reply: no reply received
2021-12-22T14:05:11.489+0900	ERROR	[auditd]	auditd/audit_linux.go:204	get status request failed:failed to get audit status reply: no reply received
2021-12-22T14:26:26.491+0900	ERROR	[auditd]	auditd/audit_linux.go:204	get status request failed:failed to get audit status reply: no reply received
2021-12-22T14:33:11.489+0900	ERROR	[auditd]	auditd/audit_linux.go:204	get status request failed:failed to get audit status reply: no reply received
2021-12-22T14:53:41.488+0900	ERROR	[auditd]	auditd/audit_linux.go:204	get status request failed:failed to get audit status reply: no reply received
2021-12-22T14:54:41.487+0900	ERROR	[auditd]	auditd/audit_linux.go:204	get status request failed:failed to get audit status reply: no reply received
2021-12-22T14:57:26.489+0900	ERROR	[auditd]	auditd/audit_linux.go:204	get status request failed:failed to get audit status reply: no reply received
2021-12-22T14:57:56.491+0900	ERROR	[auditd]	auditd/audit_linux.go:204	get status request failed:failed to get audit status reply: no reply received
2021-12-22T14:59:41.489+0900	ERROR	[auditd]	auditd/audit_linux.go:204	get status request failed:failed to get audit status reply: no reply received
2021-12-22T15:13:56.492+0900	ERROR	[auditd]	auditd/audit_linux.go:204	get status request failed:failed to get audit status reply: no reply received
2021-12-22T15:14:26.488+0900	ERROR	[auditd]	auditd/audit_linux.go:204	get status request failed:failed to get audit status reply: no reply received
2021-12-22T15:20:26.490+0900	ERROR	[auditd]	auditd/audit_linux.go:204	get status request failed:failed to get audit status reply: no reply received
2021-12-22T15:27:41.491+0900	ERROR	[auditd]	auditd/audit_linux.go:204	get status request failed:failed to get audit status reply: no reply received
2021-12-22T15:37:11.487+0900	ERROR	[auditd]	auditd/audit_linux.go:204	get status request failed:failed to get audit status reply: no reply received
2021-12-22T15:40:56.488+0900	ERROR	[auditd]	auditd/audit_linux.go:204	get status request failed:failed to get audit status reply: no reply received
2021-12-22T15:59:11.489+0900	ERROR	[auditd]	auditd/audit_linux.go:204	get status request failed:failed to get audit status ack: no reply received
2021-12-22T15:59:56.489+0900	ERROR	[auditd]	auditd/audit_linux.go:204	get status request failed:failed to get audit status reply: no reply received
2021-12-22T16:04:56.486+0900	ERROR	[auditd]	auditd/audit_linux.go:204	get status request failed:failed to get audit status reply: no reply received
2021-12-22T16:06:41.488+0900	ERROR	[auditd]	auditd/audit_linux.go:204	get status request failed:failed to get audit status reply: no reply received
2021-12-22T16:33:41.488+0900	ERROR	[auditd]	auditd/audit_linux.go:204	get status request failed:failed to get audit status reply: no reply received
...

auditbeat.yml:

auditbeat.modules:
  - module: auditd
    resolve_ids: true
    failure_mode: log
    backlog_limit: 8640
    rate_limit: 0
    include_raw_message: false
    include_warnings: false
    backpressure_strategy : auto
    audit_rule_files: [ '${path.config}/audit.rules.d/*.conf' ]
    processors:
      - drop_event:
          when.or:
             - not.has_fields: ["tags"]

      - add_fields:
         target: host
         fields:
           company: 'universe4you'

      - add_docker_metadata:
         host: "unix:///var/run/docker.sock"
         match_fields: ["system.process.cgroup.id"]
         match_pids: ["process.pid", "process.ppid"]
         match_source: true
         match_short_id: false
         cleanup_timeout: 60
         labels.dedot: false

      - add_process_metadata:
         match_pids: ["process.ppid"]
         target: "process.parent"

  - module: system
    datasets:
      - host    # General host information, e.g. uptime, IPs
    period: 1h
    state.period: 8h # 8hour

  - module: file_integrity
    paths:
      - /sbin/
      - /bin/
      - /usr/bin/
      - /usr/sbin/
      - /usr/local/bin/
      - /usr/local/sbin/
      - /var/log/auditbeat/
    scan_at_start: true
    scan_rate_per_sec: 5 MiB
    max_file_size: 10 MiB
    hash_types: ['md5', 'sha1']

output.file:
  elabled: true
  path: "/etc/auditbeat/log"
  filename: auditbeat
  rotate_every_kb: 20000
  number_of_files: 10

queue:
  mem:
    events: 20480
    flush.min_events: 4096
    flush.timeout: 1s

monitoring.elasticsearch:
  enabled: true
  hosts: ["http://es.universe4you.io:9200"]
  max_retries: 3
  backoff.init: 1m
  backoff.max: 60s
  timeout: 60
  metrics.period: 2m
  state.period: 60m
  bulk_max_size: 50

logging.to_syslog: false
logging.to_eventlog : false
logging.to_files : true
logging.level : error
logging.metrics.enabled : false
logging.metrics.period : 86400s
logging.files.path : /var/log/auditbeat
logging.files.rotateeverybytes : 1048576
logging.files.keepfiles : 7
logging.files.permission : 0600
logging.json : false
logging.files.redirect_stderr : true

max_procs: 1

audit.conf

-a exclude,always -F msgtype=PATH
-a exclude,always -F msgtype=CRED_ACQ
-a exclude,always -F msgtype=CRED_DISP
-a exclude,always -F msgtype=CRED_REFR
-a exclude,always -F msgtype=CRYPTO_KEY_USER
-a exclude,always -F msgtype=CRYPTO_SESSION
-a exclude,always -F msgtype=USER_ACCT
-a exclude,always -F msgtype=USER_AUTH
-a exclude,always -F msgtype=USER_CMD
-a exclude,always -F msgtype=USER_END
-a exclude,always -F msgtype=USER_LOGIN
-a exclude,always -F msgtype=USER_LOGOUT
-a exclude,always -F msgtype=USER_START
-w /etc/certification/private.key -p x -k privatekey
-a always,exit -F arch=b64 -S connect -F a2=0x02 -F key=b64connect
-a always,exit -F arch=b64 -S connect -F a2=0x10 -F key=b64connect
-a always,exit -F arch=b64 -S execve -F euid=0 -F key=b64rootexecve

getpcaps command:

$ getpcaps "$(pgrep auditbeat)"

Capabilities for `3037': = cap_chown,cap_dac_override,cap_dac_read_search,cap_fowner,cap_fsetid,cap_kill,cap_setgid,cap_setuid,cap_setpcap,cap_linux_immutable,cap_net_bind_service,cap_net_broadcast,cap_net_admin,cap_net_raw,cap_ipc_lock,cap_ipc_owner,cap_sys_module,cap_sys_rawio,cap_sys_chroot,cap_sys_ptrace,cap_sys_pacct,cap_sys_admin,cap_sys_boot,cap_sys_nice,cap_sys_resource,cap_sys_time,cap_sys_tty_config,cap_mknod,cap_lease,cap_audit_write,cap_audit_control,cap_setfcap,cap_mac_override,cap_mac_admin,cap_syslog,cap_wake_alarm,cap_block_suspend,37+ep

auditbeat DEBUG mode stdout:

2021-12-22T14:25:10.363+0900	INFO	instance/beat.go:665	Home path: [/usr/share/auditbeat] Config path: [/etc/auditbeat] Data path: [/var/lib/auditbeat] Logs path: [/var/log/auditbeat]
2021-12-22T14:25:10.363+0900	DEBUG	[beat]	instance/beat.go:723	Beat metadata path: /var/lib/auditbeat/meta.json
2021-12-22T14:25:10.363+0900	INFO	instance/beat.go:673	Beat ID: d146ef6b-b3bb-4336-9024-ecc8c80109c3
2021-12-22T14:25:10.363+0900	INFO	instance/beat.go:686	Set max procs limit: 1
2021-12-22T14:25:10.363+0900	DEBUG	[seccomp]	seccomp/seccomp.go:117	Loading syscall filter	{"seccomp_filter": {"no_new_privs":true,"flag":"tsync","policy":{"default_action":"errno","syscalls":[{"names":["accept","accept4","access","arch_prctl","bind","brk","chmod","chown","clock_gettime","clone","close","connect","dup","dup2","epoll_create","epoll_create1","epoll_ctl","epoll_pwait","epoll_wait","exit","exit_group","fchdir","fchmod","fchmodat","fchown","fchownat","fcntl","fdatasync","flock","fstat","fstatfs","fsync","ftruncate","futex","getcwd","getdents","getdents64","geteuid","getgid","getpeername","getpid","getppid","getrandom","getrlimit","getrusage","getsockname","getsockopt","gettid","gettimeofday","getuid","inotify_add_watch","inotify_init1","inotify_rm_watch","ioctl","kill","listen","lseek","lstat","madvise","mincore","mkdirat","mmap","mprotect","munmap","nanosleep","newfstatat","open","openat","pipe","pipe2","poll","ppoll","pread64","pselect6","pwrite64","read","readlink","readlinkat","recvfrom","recvmmsg","recvmsg","rename","renameat","rt_sigaction","rt_sigprocmask","rt_sigreturn","sched_getaffinity","sched_yield","sendfile","sendmmsg","sendmsg","sendto","set_robust_list","setitimer","setsockopt","shutdown","sigaltstack","socket","splice","stat","statfs","sysinfo","tgkill","time","tkill","uname","unlink","unlinkat","wait4","waitid","write","writev","umask","mremap","perf_event_open","eventfd2","mount","umount2"],"action":"allow"}]}}}
2021-12-22T14:25:10.364+0900	INFO	[seccomp]	seccomp/seccomp.go:124	Syscall filter successfully installed
2021-12-22T14:25:10.364+0900	INFO	[beat]	instance/beat.go:1014	Beat info	{"system_info": {"beat": {"path": {"config": "/etc/auditbeat", "data": "/var/lib/auditbeat", "home": "/usr/share/auditbeat", "logs": "/var/log/auditbeat"}, "type": "auditbeat", "uuid": "d146ef6b-b3bb-4336-9024-ecc8c80109c3"}}}
2021-12-22T14:25:10.364+0900	INFO	[beat]	instance/beat.go:1023	Build info	{"system_info": {"build": {"commit": "fd322dad6ceafec40c84df4d2a0694ea357d16cc", "libbeat": "7.15.2", "time": "2021-11-04T14:16:53.000Z", "version": "7.15.2"}}}
2021-12-22T14:25:10.364+0900	INFO	[beat]	instance/beat.go:1026	Go runtime info	{"system_info": {"go": {"os":"linux","arch":"amd64","max_procs":1,"version":"go1.16.6"}}}
2021-12-22T14:25:10.365+0900	INFO	[beat]	instance/beat.go:1030	Host info	{"system_info": {"host": {"architecture":"x86_64","boot_time":"2019-10-10T11:53:47+09:00","containerized":false,"name":"univer4you-web26","ip":["127.0.0.1/8","1.1.1.1/28","1.1.1.1/32"],"kernel_version":"3.10.0-1062.1.2.el7.x86_64","mac":["00:0c:33:f1:7a:c1"],"os":{"type":"linux","family":"redhat","platform":"centos","name":"CentOS Linux","version":"7 (Core)","major":7,"minor":6,"patch":1810,"codename":"Core"},"timezone":"KST","timezone_offset_sec":32400,"id":"c268205898a2450ea26381e7025dfe54"}}}
2021-12-22T14:25:10.365+0900	INFO	[beat]	instance/beat.go:1059	Process info	{"system_info": {"process": {"capabilities": {"inheritable":null,"permitted":["chown","dac_override","dac_read_search","fowner","fsetid","kill","setgid","setuid","setpcap","linux_immutable","net_bind_service","net_broadcast","net_admin","net_raw","ipc_lock","ipc_owner","sys_module","sys_rawio","sys_chroot","sys_ptrace","sys_pacct","sys_admin","sys_boot","sys_nice","sys_resource","sys_time","sys_tty_config","mknod","lease","audit_write","audit_control","setfcap","mac_override","mac_admin","syslog","wake_alarm","block_suspend"],"effective":["chown","dac_override","dac_read_search","fowner","fsetid","kill","setgid","setuid","setpcap","linux_immutable","net_bind_service","net_broadcast","net_admin","net_raw","ipc_lock","ipc_owner","sys_module","sys_rawio","sys_chroot","sys_ptrace","sys_pacct","sys_admin","sys_boot","sys_nice","sys_resource","sys_time","sys_tty_config","mknod","lease","audit_write","audit_control","setfcap","mac_override","mac_admin","syslog","wake_alarm","block_suspend"],"bounding":["chown","dac_override","dac_read_search","fowner","fsetid","kill","setgid","setuid","setpcap","linux_immutable","net_bind_service","net_broadcast","net_admin","net_raw","ipc_lock","ipc_owner","sys_module","sys_rawio","sys_chroot","sys_ptrace","sys_pacct","sys_admin","sys_boot","sys_nice","sys_resource","sys_time","sys_tty_config","mknod","lease","audit_write","audit_control","setfcap","mac_override","mac_admin","syslog","wake_alarm","block_suspend"],"ambient":null}, "cwd": "/var/log/auditbeat", "exe": "/usr/share/auditbeat/bin/auditbeat", "name": "auditbeat", "pid": 19926, "ppid": 19925, "seccomp": {"mode":"filter","no_new_privs":true}, "start_time": "2021-12-22T14:25:10.160+0900"}}}
2021-12-22T14:25:10.366+0900	INFO	instance/beat.go:309	Setup Beat: auditbeat; Version: 7.15.2
2021-12-22T14:25:10.366+0900	DEBUG	[beat]	instance/beat.go:335	Initializing output plugins
2021-12-22T14:25:10.366+0900	DEBUG	[publisher]	pipeline/consumer.go:148	start pipeline event consumer
2021-12-22T14:25:10.367+0900	INFO	[publisher]	pipeline/module.go:113	Beat name: univer4you-web26
2021-12-22T14:25:10.367+0900	DEBUG	[modules]	beater/metricbeat.go:151	Available modules and metricsets: Register [ModuleFactory:[system], MetricSetFactory:[auditd/auditd, file_integrity/file, system/host, system/login, system/package, system/process, system/socket, system/user]]
2021-12-22T14:25:10.368+0900	INFO	[auditd]	auditd/audit_linux.go:107	auditd module is running as euid=0 on kernel=3.10.0-1062.1.2.el7.x86_64
2021-12-22T14:25:10.368+0900	INFO	[auditd]	auditd/audit_linux.go:134	socket_type=unicast will be used.
2021-12-22T14:25:10.369+0900	DEBUG	[conditions]	conditions/conditions.go:98	New condition has_fields: [tags]
2021-12-22T14:25:10.369+0900	DEBUG	[conditions]	conditions/conditions.go:98	New condition !has_fields: [tags]
2021-12-22T14:25:10.369+0900	DEBUG	[docker]	docker/client.go:48	Docker client will negotiate the API version on the first request.
2021-12-22T14:25:10.369+0900	DEBUG	[add_docker_metadata]	add_docker_metadata/add_docker_metadata.go:86	add_docker_metadata: docker environment not detected: Cannot connect to the Docker daemon at unix:///var/run/docker.sock. Is the docker daemon running?
2021-12-22T14:25:10.370+0900	DEBUG	[add_process_metadata]	add_process_metadata/add_process_metadata.go:130	Initializing cgroup cache	{"instance_id": 1}
2021-12-22T14:25:10.394+0900	WARN	[cfgwarn]	host/host.go:188	BETA: The system/host dataset is beta
2021-12-22T14:25:10.394+0900	DEBUG	[system]	host/host.go:472	Restored last host information from disk.
2021-12-22T14:25:10.395+0900	DEBUG	[file_integrity]	file_integrity/metricset.go:109	Initialized the file event reader. Running as euid=0
2021-12-22T14:25:10.396+0900	INFO	[esclientleg]	eslegclient/connection.go:100	elasticsearch url: http://es.univer4you.io:9200
2021-12-22T14:25:10.396+0900	DEBUG	[monitoring]	pipeline/consumer.go:148	start pipeline event consumer
2021-12-22T14:25:10.396+0900	DEBUG	[monitoring]	elasticsearch/elasticsearch.go:215	Start monitoring endpoint init loop.
2021-12-22T14:25:10.396+0900	DEBUG	[monitoring]	elasticsearch/client.go:66	Monitoring client: connect.
2021-12-22T14:25:10.396+0900	DEBUG	[esclientleg]	eslegclient/connection.go:249	ES Ping(url=http://es.univer4you.io:9200)
2021-12-22T14:25:10.397+0900	INFO	instance/beat.go:473	auditbeat start running.
2021-12-22T14:25:10.397+0900	DEBUG	[module]	module/wrapper.go:127	Starting Wrapper[name=auditd, len(metricSetWrappers)=1]
2021-12-22T14:25:10.397+0900	DEBUG	[module]	module/wrapper.go:127	Starting Wrapper[name=system, len(metricSetWrappers)=1]
2021-12-22T14:25:10.397+0900	DEBUG	[module]	module/wrapper.go:127	Starting Wrapper[name=file_integrity, len(metricSetWrappers)=1]
2021-12-22T14:25:10.397+0900	DEBUG	[module]	module/wrapper.go:181	auditd/auditd will start after 7.671423914s
2021-12-22T14:25:10.397+0900	DEBUG	[module]	module/wrapper.go:181	system/host will start after 6.199571658s
2021-12-22T14:25:10.397+0900	DEBUG	[module]	module/wrapper.go:181	file_integrity/file will start after 3.110411367s
2021-12-22T14:25:10.398+0900	DEBUG	[esclientleg]	transport/logging.go:41	Completed dialing successfully	{"network": "tcp", "address": "es.univer4you.io:9200"}
2021-12-22T14:25:10.400+0900	DEBUG	[esclientleg]	eslegclient/connection.go:272	Ping status code: 200
2021-12-22T14:25:10.400+0900	INFO	[esclientleg]	eslegclient/connection.go:273	Attempting to connect to Elasticsearch version 7.10.2
2021-12-22T14:25:10.400+0900	DEBUG	[esclientleg]	eslegclient/connection.go:328	GET http://es.univer4you.io:9200/_xpack?filter_path=features.monitoring.enabled  <nil>
2021-12-22T14:25:10.420+0900	DEBUG	[monitoring]	elasticsearch/client.go:101	XPack monitoring is enabled
2021-12-22T14:25:10.420+0900	INFO	[monitoring]	elasticsearch/elasticsearch.go:244	Successfully connected to X-Pack Monitoring endpoint.
2021-12-22T14:25:10.420+0900	DEBUG	[monitoring]	elasticsearch/elasticsearch.go:250	Finish monitoring endpoint init loop.
2021-12-22T14:25:10.420+0900	INFO	[monitoring]	elasticsearch/elasticsearch.go:258	Start monitoring stats metrics snapshot loop with period 2m0s.
2021-12-22T14:25:10.420+0900	INFO	[monitoring]	elasticsearch/elasticsearch.go:258	Start monitoring state metrics snapshot loop with period 1h0m0s.
2021-12-22T14:25:13.510+0900	DEBUG	[module]	module/wrapper.go:189	Starting metricSetWrapper[module=file_integrity, name=file, host=]
2021-12-22T14:25:13.511+0900	INFO	[file_integrity]	file_integrity/eventreader_fsnotify.go:97	Started fsnotify watcher	{"file_path": ["/usr/bin", "/usr/local/bin", "/usr/local/sbin", "/usr/sbin", "/var/log/auditbeat"], "recursive": false}
2021-12-22T14:25:13.511+0900	DEBUG	[file_integrity]	file_integrity/scanner.go:73	Creating token bucket with rate 5 MiB/sec and capacity 10 MiB	{"scanner_id": 1, "bytes_per_sec": 5242880, "capacity_bytes": 10485760}
2021-12-22T14:25:13.511+0900	DEBUG	[file_integrity]	file_integrity/scanner.go:89	File system scanner is starting	{"scanner_id": 1, "file_path": ["/etc/auditbeat/auditbeat.yml", "/usr/bin", "/usr/local/bin", "/usr/local/sbin", "/usr/sbin", "/var/log/auditbeat"], "new_path": {}}
^C2021-12-22T14:25:15.959+0900	DEBUG	[service]	service/service.go:54	Received sigterm/sigint, stopping
2021-12-22T14:25:15.959+0900	DEBUG	[publisher]	pipeline/client.go:158	client: closing acker
2021-12-22T14:25:15.961+0900	DEBUG	[publisher]	pipeline/client.go:163	client: done closing acker
2021-12-22T14:25:15.961+0900	DEBUG	[publisher]	pipeline/client.go:165	client: unlink from queue
2021-12-22T14:25:15.961+0900	DEBUG	[publisher]	pipeline/client.go:187	client: cancelled 0 events
2021-12-22T14:25:15.961+0900	DEBUG	[publisher]	pipeline/client.go:167	client: done unlink
2021-12-22T14:25:15.961+0900	DEBUG	[publisher]	pipeline/client.go:170	client: closing processors
2021-12-22T14:25:15.961+0900	DEBUG	[publisher]	pipeline/client.go:175	client: done closing processors
2021-12-22T14:25:15.959+0900	DEBUG	[file_integrity]	file_integrity/eventreader_fsnotify.go:120	fsnotify reader terminated
2021-12-22T14:25:15.959+0900	DEBUG	[publisher]	pipeline/client.go:158	client: closing acker
2021-12-22T14:25:15.961+0900	DEBUG	[publisher]	pipeline/client.go:163	client: done closing acker
2021-12-22T14:25:15.961+0900	DEBUG	[publisher]	pipeline/client.go:165	client: unlink from queue
2021-12-22T14:25:15.961+0900	DEBUG	[publisher]	pipeline/client.go:187	client: cancelled 0 events
2021-12-22T14:25:15.961+0900	DEBUG	[publisher]	pipeline/client.go:167	client: done unlink
2021-12-22T14:25:15.961+0900	DEBUG	[publisher]	pipeline/client.go:170	client: closing processors
2021-12-22T14:25:15.961+0900	DEBUG	[publisher]	pipeline/client.go:175	client: done closing processors
2021-12-22T14:25:15.959+0900	DEBUG	[module]	module/wrapper.go:155	Stopped Wrapper[name=system, len(metricSetWrappers)=1]
2021-12-22T14:25:15.959+0900	DEBUG	[publisher]	pipeline/client.go:158	client: closing acker
2021-12-22T14:25:15.962+0900	DEBUG	[publisher]	pipeline/client.go:163	client: done closing acker
2021-12-22T14:25:15.962+0900	DEBUG	[publisher]	pipeline/client.go:165	client: unlink from queue
2021-12-22T14:25:15.962+0900	DEBUG	[publisher]	pipeline/client.go:187	client: cancelled 0 events
2021-12-22T14:25:15.962+0900	DEBUG	[publisher]	pipeline/client.go:167	client: done unlink
2021-12-22T14:25:15.962+0900	DEBUG	[publisher]	pipeline/client.go:170	client: closing processors
2021-12-22T14:25:15.962+0900	DEBUG	[publisher]	pipeline/client.go:175	client: done closing processors
2021-12-22T14:25:15.959+0900	DEBUG	[module]	module/wrapper.go:155	Stopped Wrapper[name=auditd, len(metricSetWrappers)=1]
2021-12-22T14:25:15.960+0900	DEBUG	[module]	module/wrapper.go:214	Stopped metricSetWrapper[module=file_integrity, name=file, host=]
2021-12-22T14:25:15.962+0900	DEBUG	[module]	module/wrapper.go:155	Stopped Wrapper[name=file_integrity, len(metricSetWrappers)=1]
2021-12-22T14:25:15.962+0900	DEBUG	[monitoring]	pipeline/pipeline.go:203	close pipeline
2021-12-22T14:25:15.962+0900	INFO	instance/beat.go:479	auditbeat stopped.

Same problem OS:

CentOS Linux release 7.3.1611 / Kernel 3.10.0-957.21.3.el7.x86_64
CentOS Linux release 7.5.1804 / Kernel 3.10.0-862.11.6.el7.x86_64
CentOS Linux release 7.7.1908 / Kernel 3.10.0-1062.12.1.el7.x86_64
Ubuntu 18.04.5 / Kernel 4.15.0-156-generic
Ubuntu 20.04.3 / Kernel 5.4.0-91-generic
and more...

Please how can I solve this problem?

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