Hello warkolm,
is run it again with debug enabled, but the part concerning the problem hasn't changed:
filebeat -e setup
    2020-08-21T06:51:52.801+0200    INFO    instance/beat.go:640    Home path: [/usr/share/filebeat] Config path: [/etc/filebeat] Data path: [/var/lib/filebeat] Logs path: [/var/log/filebeat]
        2020-08-21T06:51:52.801+0200    INFO    instance/beat.go:648    Beat ID: 9df4464c-4284-49fe-aed3-643815633979
        2020-08-21T06:51:52.803+0200    INFO    [beat]  instance/beat.go:976    Beat info       {"system_info": {"beat": {"path": {"config": "/etc/filebeat", "data": "/var/lib/filebeat", "home": "/usr/share/filebeat", "logs": "/var/log/filebeat"}, "type": "filebeat", "uuid": "9df4464c-4284-49fe-aed3-643815633979"}}}
        2020-08-21T06:51:52.803+0200    INFO    [beat]  instance/beat.go:985    Build info      {"system_info": {"build": {"commit": "b2ee705fc4a59c023136c046803b56bc82a16c8d", "libbeat": "7.9.0", "time": "2020-08-11T20:11:11.000Z", "version": "7.9.0"}}}
        2020-08-21T06:51:52.803+0200    INFO    [beat]  instance/beat.go:988    Go runtime info {"system_info": {"go": {"os":"linux","arch":"amd64","max_procs":4,"version":"go1.14.4"}}}
        2020-08-21T06:51:52.803+0200    INFO    [add_cloud_metadata]    add_cloud_metadata/add_cloud_metadata.go:89     add_cloud_metadata: hosting provider type not detected.
        2020-08-21T06:51:52.803+0200    INFO    [beat]  instance/beat.go:992    Host info       {"system_info": {"host": {"architecture":"x86_64","boot_time":"2020-08-20T13:48:00+02:00","containerized":false,"name":"ELASTIC99004","ip":["127.0.0.1/8","::1/128","10.21.20.214/22","fe80::250:56ff:fea9:910f/64"],"kernel_version":"4.18.0-147.8.1.el8_1.x86_64","mac":["00:50:56:a9:91:0f"],"os":{"family":"redhat","platform":"centos","name":"CentOS Linux","version":"8 (Core)","major":8,"minor":1,"patch":1911,"codename":"Core"},"timezone":"CEST","timezone_offset_sec":7200,"id":"ffe6394fc21948ceac14b104c876a79e"}}}
        2020-08-21T06:51:52.804+0200    INFO    [beat]  instance/beat.go:1021   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","audit_read"],"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","audit_read"],"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","audit_read"],"ambient":null}, "cwd": "/etc/filebeat", "exe": "/usr/share/filebeat/bin/filebeat", "name": "filebeat", "pid": 16670, "ppid": 2444, "seccomp": {"mode":"disabled","no_new_privs":false}, "start_time": "2020-08-21T06:51:51.910+0200"}}}
        2020-08-21T06:51:52.804+0200    INFO    instance/beat.go:299    Setup Beat: filebeat; Version: 7.9.0
        2020-08-21T06:51:52.804+0200    INFO    [index-management]      idxmgmt/std.go:184      Set output.elasticsearch.index to 'filebeat-7.9.0' as ILM is enabled.
        2020-08-21T06:51:52.804+0200    INFO    eslegclient/connection.go:99    elasticsearch url: https://10.21.20.211:9200
        2020-08-21T06:51:52.804+0200    INFO    eslegclient/connection.go:99    elasticsearch url: https://10.21.20.212:9200
        2020-08-21T06:51:52.804+0200    INFO    eslegclient/connection.go:99    elasticsearch url: https://10.21.20.213:9200
        2020-08-21T06:51:52.804+0200    INFO    [publisher]     pipeline/module.go:113  Beat name: ELASTIC99004
        2020-08-21T06:51:52.805+0200    INFO    eslegclient/connection.go:99    elasticsearch url: https://10.21.20.211:9200
        2020-08-21T06:51:52.805+0200    INFO    eslegclient/connection.go:99    elasticsearch url: https://10.21.20.212:9200
        2020-08-21T06:51:52.805+0200    INFO    eslegclient/connection.go:99    elasticsearch url: https://10.21.20.213:9200
        2020-08-21T06:51:52.885+0200    INFO    [esclientleg]   eslegclient/connection.go:314   Attempting to connect to Elasticsearch version 7.9.0
        2020-08-21T06:51:52.886+0200    INFO    [index-management]      idxmgmt/std.go:261      Auto ILM enable success.
        2020-08-21T06:51:53.094+0200    INFO    [index-management]      idxmgmt/std.go:274      ILM policy successfully loaded.
        2020-08-21T06:51:53.094+0200    INFO    [index-management]      idxmgmt/std.go:407      Set setup.template.name to '{filebeat-7.9.0 {now/d}-000001}' as ILM is enabled.
        2020-08-21T06:51:53.094+0200    INFO    [index-management]      idxmgmt/std.go:412      Set setup.template.pattern to 'filebeat-7.9.0-*' as ILM is enabled.
        2020-08-21T06:51:53.094+0200    INFO    [index-management]      idxmgmt/std.go:446      Set settings.index.lifecycle.rollover_alias in template to {filebeat-7.9.0 {now/d}-000001} as ILM is enabled.
        2020-08-21T06:51:53.094+0200    INFO    [index-management]      idxmgmt/std.go:450      Set settings.index.lifecycle.name in template to {filebeat {"policy":{"phases":{"hot":{"actions":{"rollover":{"max_age":"30d","max_size":"50gb"}}}}}}} as ILM is enabled.
        2020-08-21T06:51:53.096+0200    INFO    template/load.go:169    Existing template will be overwritten, as overwrite is enabled.
        2020-08-21T06:51:53.965+0200    INFO    template/load.go:109    Try loading template filebeat-7.9.0 to Elasticsearch
        2020-08-21T06:51:54.238+0200    INFO    template/load.go:101    template with name 'filebeat-7.9.0' loaded.
        2020-08-21T06:51:54.238+0200    INFO    [index-management]      idxmgmt/std.go:298      Loaded index template.
        2020-08-21T06:51:54.239+0200    INFO    [index-management]      idxmgmt/std.go:309      Write alias successfully generated.
        Index setup finished.
        Loading dashboards (Kibana must be running and reachable)
        2020-08-21T06:51:54.240+0200    INFO    kibana/client.go:118    Kibana url: https://10.21.20.209:5601
        2020-08-21T06:51:55.453+0200    INFO    kibana/client.go:118    Kibana url: https://10.21.20.209:5601
        2020-08-21T06:53:02.318+0200    INFO    instance/beat.go:810    Kibana dashboards successfully loaded.
        Loaded dashboards
        2020-08-21T06:53:02.318+0200    WARN    [cfgwarn]       instance/beat.go:551    DEPRECATED: Setting up ML using Filebeat is going to be removed. Please use the ML app to setup jobs. Will be removed in version: 8.0.0
        Setting up ML using setup --machine-learning is going to be removed in 8.0.0. Please use the ML app instead.
        See more: https://www.elastic.co/guide/en/machine-learning/current/index.html
        2020-08-21T06:53:02.318+0200    INFO    eslegclient/connection.go:99    elasticsearch url: https://10.21.20.211:9200
        2020-08-21T06:53:02.318+0200    INFO    eslegclient/connection.go:99    elasticsearch url: https://10.21.20.212:9200
        2020-08-21T06:53:02.318+0200    INFO    eslegclient/connection.go:99    elasticsearch url: https://10.21.20.213:9200
        2020-08-21T06:53:02.327+0200    INFO    [esclientleg]   eslegclient/connection.go:314   Attempting to connect to Elasticsearch version 7.9.0
        2020-08-21T06:53:02.328+0200    INFO    kibana/client.go:118    Kibana url: https://10.21.20.209:5601
        2020-08-21T06:53:02.410+0200    ERROR   instance/beat.go:951    Exiting: 3 errors: Error setting up ML for apache_ecs: cannot set up ML with prefix: filebeat-apache_ecs-access-, response: {"statusCode":404,"error":"Not Found","message":"Not Found"}; Error setting up ML for apache_ecs: cannot set up ML with prefix: filebeat-apache_ecs-access-, response: {"statusCode":404,"error":"Not Found","message":"Not Found"}; Error setting up ML for nginx_ecs: cannot set up ML with prefix: filebeat-nginx_ecs-access-, response: {"statusCode":404,"error":"Not Found","message":"Not Found"}
        Exiting: 3 errors: Error setting up ML for apache_ecs: cannot set up ML with prefix: filebeat-apache_ecs-access-, response: {"statusCode":404,"error":"Not Found","message":"Not Found"}; Error setting up ML for apache_ecs: cannot set up ML with prefix: filebeat-apache_ecs-access-, response: {"statusCode":404,"error":"Not Found","message":"Not Found"}; Error setting up ML for nginx_ecs: cannot set up ML with prefix: filebeat-nginx_ecs-access-, response: {"statusCode":404,"error":"Not Found","message":"Not Found"}