Hello Ylasir,
here are two messages , the same ones i used to validate the pipeline itself.
here is the first one:
{
  "_index": "filebeat-7.17.1-2022.03.11-000001",
  "_type": "_doc",
  "_id": "deR2h38Bwp_nE4SE2J0D",
  "_version": 1,
  "_score": 1,
  "_source": {
    "@timestamp": "2022-03-14T08:06:26.074Z",
    "message": "2022-03-14 08:06:25,009 - suzieq.poller.worker.nodes.node - ERROR - Unable to connect to F88_G1MSW10 for show bgp all neighbors due to Permission denied",
    "input": {
      "type": "filestream"
    },
    "ecs": {
      "version": "1.12.0"
    },
    "host": {
      "name": "sq-poller-0",
      "ip": [
        "10.244.1.115",
        "fe80::2009:a7ff:fe58:1fb8"
      ],
      "mac": [
        "22:09:a7:58:1f:b8"
      ],
      "hostname": "sq-poller-0",
      "architecture": "x86_64",
      "os": {
        "platform": "ubuntu",
        "version": "20.04.3 LTS (Focal Fossa)",
        "family": "debian",
        "name": "Ubuntu",
        "kernel": "5.4.0-1069-azure",
        "codename": "focal",
        "type": "linux"
      },
      "containerized": true
    },
    "agent": {
      "id": "fc2fa625-f84a-42f1-9e90-7caa86c64643",
      "name": "sq-poller-0",
      "type": "filebeat",
      "version": "7.17.1",
      "hostname": "sq-poller-0",
      "ephemeral_id": "2c74d2c5-170a-4404-99ed-edfe30a9e630"
    },
    "log": {
      "offset": 2921049,
      "file": {
        "path": "/tmp/sq-poller-0.log"
      }
    }
  },
  "fields": {
    "host.os.name.text": [
      "Ubuntu"
    ],
    "host.hostname": [
      "sq-poller-0"
    ],
    "host.mac": [
      "22:09:a7:58:1f:b8"
    ],
    "host.ip": [
      "10.244.1.115",
      "fe80::2009:a7ff:fe58:1fb8"
    ],
    "agent.type": [
      "filebeat"
    ],
    "host.os.version": [
      "20.04.3 LTS (Focal Fossa)"
    ],
    "host.os.kernel": [
      "5.4.0-1069-azure"
    ],
    "host.os.name": [
      "Ubuntu"
    ],
    "agent.name": [
      "sq-poller-0"
    ],
    "host.name": [
      "sq-poller-0"
    ],
    "host.os.type": [
      "linux"
    ],
    "host.os.codename": [
      "focal"
    ],
    "input.type": [
      "filestream"
    ],
    "log.offset": [
      2921049
    ],
    "agent.hostname": [
      "sq-poller-0"
    ],
    "message": [
      "2022-03-14 08:06:25,009 - suzieq.poller.worker.nodes.node - ERROR - Unable to connect to F88_G1MSW10 for show bgp all neighbors due to Permission denied"
    ],
    "host.architecture": [
      "x86_64"
    ],
    "@timestamp": [
      "2022-03-14T08:06:26.074Z"
    ],
    "agent.id": [
      "fc2fa625-f84a-42f1-9e90-7caa86c64643"
    ],
    "ecs.version": [
      "1.12.0"
    ],
    "host.containerized": [
      true
    ],
    "host.os.platform": [
      "ubuntu"
    ],
    "log.file.path": [
      "/tmp/sq-poller-0.log"
    ],
    "agent.ephemeral_id": [
      "2c74d2c5-170a-4404-99ed-edfe30a9e630"
    ],
    "agent.version": [
      "7.17.1"
    ],
    "host.os.family": [
      "debian"
    ]
  }
}
and here is the second
{
  "_index": "filebeat-7.17.1-2022.03.11-000001",
  "_type": "_doc",
  "_id": "F-R5h38Bwp_nE4SE9Z4D",
  "_version": 1,
  "_score": 1,
  "_source": {
    "@timestamp": "2022-03-14T08:09:50.106Z",
    "log": {
      "offset": 2950510,
      "file": {
        "path": "/tmp/sq-poller-0.log"
      }
    },
    "input": {
      "type": "filestream"
    },
    "ecs": {
      "version": "1.12.0"
    },
    "host": {
      "os": {
        "type": "linux",
        "platform": "ubuntu",
        "version": "20.04.3 LTS (Focal Fossa)",
        "family": "debian",
        "name": "Ubuntu",
        "kernel": "5.4.0-1069-azure",
        "codename": "focal"
      },
      "containerized": true,
      "ip": [
        "10.244.1.115",
        "fe80::2009:a7ff:fe58:1fb8"
      ],
      "mac": [
        "22:09:a7:58:1f:b8"
      ],
      "name": "sq-poller-0",
      "hostname": "sq-poller-0",
      "architecture": "x86_64"
    },
    "agent": {
      "type": "filebeat",
      "version": "7.17.1",
      "hostname": "sq-poller-0",
      "ephemeral_id": "2c74d2c5-170a-4404-99ed-edfe30a9e630",
      "id": "fc2fa625-f84a-42f1-9e90-7caa86c64643",
      "name": "sq-poller-0"
    },
    "message": "2022-03-14 08:09:48,772 - suzieq.poller.worker.nodes.node - ERROR - Unable to connect to F88_G1MSW10 for show ip interface due to Permission denied"
  },
  "fields": {
    "host.os.name.text": [
      "Ubuntu"
    ],
    "host.hostname": [
      "sq-poller-0"
    ],
    "host.mac": [
      "22:09:a7:58:1f:b8"
    ],
    "host.ip": [
      "10.244.1.115",
      "fe80::2009:a7ff:fe58:1fb8"
    ],
    "agent.type": [
      "filebeat"
    ],
    "host.os.version": [
      "20.04.3 LTS (Focal Fossa)"
    ],
    "host.os.kernel": [
      "5.4.0-1069-azure"
    ],
    "host.os.name": [
      "Ubuntu"
    ],
    "agent.name": [
      "sq-poller-0"
    ],
    "host.name": [
      "sq-poller-0"
    ],
    "host.os.type": [
      "linux"
    ],
    "host.os.codename": [
      "focal"
    ],
    "input.type": [
      "filestream"
    ],
    "log.offset": [
      2950510
    ],
    "agent.hostname": [
      "sq-poller-0"
    ],
    "message": [
      "2022-03-14 08:09:48,772 - suzieq.poller.worker - WARNING - log level WARNING"
    ],
    "host.architecture": [
      "x86_64"
    ],
    "@timestamp": [
      "2022-03-14T08:09:50.106Z"
    ],
    "agent.id": [
      "fc2fa625-f84a-42f1-9e90-7caa86c64643"
    ],
    "ecs.version": [
      "1.12.0"
    ],
    "host.containerized": [
      true
    ],
    "host.os.platform": [
      "ubuntu"
    ],
    "log.file.path": [
      "/tmp/sq-poller-0.log"
    ],
    "agent.ephemeral_id": [
      "2c74d2c5-170a-4404-99ed-edfe30a9e630"
    ],
    "agent.version": [
      "7.17.1"
    ],
    "host.os.family": [
      "debian"
    ]
  }
}