OTEL daemonset and fluentforward not working

OTEL-agent-and-fluentforward.yaml

apiVersion: v1
kind: ConfigMap
metadata:
  name: otel-collector-conf
  namespace: azure-arc-data
  labels:
    app: opentelemetry
    component: otel-collector-conf
data:
  otel-collector-config: |
    exporters:
      kafka/laas-json:
        protocol_version: 2.0.0
        brokers: kafka-service.laas.svc:9092
        topic: otel.fluentbit.json
        encoding: otlp_json

      kafka/laas-proto:
        protocol_version: 2.0.0
        brokers: kafka-service.laas.svc:9092
        topic: otel.fluentbit.proto
        encoding: otlp_proto

      elasticsearch/laas:
        endpoints:
        - "http://elk-service.laas.svc:9200"
        index: otel
      
      logging:
        logLevel: DEBUG
        
    extensions:
      zpages: null
      k8s_observer:
        auth_type: serviceAccount
        node: ${K8S_NODE_NAME}

    processors:
      batch: null

      k8sattributes:
        filter:
          node_from_env_var: ${K8S_NODE_NAME}
        extract:
          annotations:
          - from: pod
            key: AppCode-annotation
          - from: pod
            key: foo-annotation
          labels:
          - key: AppCode-label
          - key: foo-label
          metadata:
          - k8s.namespace.name
          - k8s.node.name
          - k8s.pod.name
          - k8s.pod.uid
          - container.id
          - container.image.name
          - container.image.tag
        pod_association:
        - from: connection
          name: ip
        - from: resource_attribute
          name: k8s.pod.name
        - from: resource_attribute
          name: ip
        - from: resource_attribute
          name: k8s.pod.ip
        - from: resource_attribute
          name: host.name

    receivers:
      fluentforward:
        endpoint: 0.0.0.0:8006

    service:
      extensions:
      - k8s_observer
      - zpages

      pipelines:
        logs:
          receivers: 
          - fluentforward
          processors:
          - attributes/k8sify
          - k8sattributes
          - batch
          exporters: 
          - kafka/laas-json
          - kafka/laas-proto
          - elasticsearch/laas
          #- logging
---
# Service account that allows Collector to interrogate K8s API
apiVersion: v1
kind: ServiceAccount
metadata:
  name: opentelemetry-collector-agent
  namespace: azure-arc-data
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
  name: otel-collector-agent-role
rules:
  - apiGroups: ["*"]
    resources: ["*"]
    verbs: ["*"]
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: otel-collector-agent-role-binding
subjects:
  - kind: ServiceAccount
    name: opentelemetry-collector-agent
    namespace: azure-arc-data
roleRef:
  kind: ClusterRole
  name: otel-collector-agent-role
  apiGroup: rbac.authorization.k8s.io
---
apiVersion: apps/v1
kind: DaemonSet
metadata:
  name: otel-agent-fluentbit
  namespace: azure-arc-data
  labels:
    app: opentelemetry
    component: otel-collector
spec:
  selector:
    matchLabels:
      app: opentelemetry
      component: otel-collector
  template:
    metadata:
      labels:
        app: opentelemetry
        component: otel-collector
    spec:
      hostNetwork: false
      nodeSelector:
        kubernetes.io/os: linux
      # Mount the service account that allows interrogating K8s API
      serviceAccountName: opentelemetry-collector-agent
      containers:
      - image: otel/opentelemetry-collector-contrib:0.53.0
        imagePullPolicy: Always
        name: otel-collector
        env:
          - name: K8S_NODE_NAME
            valueFrom:
              fieldRef:
                fieldPath: spec.nodeName
          - name: K8S_NODE_IP
            valueFrom:
              fieldRef:
                apiVersion: v1
                fieldPath: status.hostIP
          - name: K8S_POD_IP
            valueFrom:
              fieldRef:
                apiVersion: v1
                fieldPath: status.podIP
          - name: K8S_POD_NAME
            valueFrom:
              fieldRef:
                fieldPath: metadata.name
          - name: K8S_POD_UID
            valueFrom:
              fieldRef:
                fieldPath: metadata.uid
          - name: K8S_NAMESPACE
            valueFrom:
              fieldRef:
                fieldPath: metadata.namespace
        resources:
          limits:
            cpu: 1
            memory: 2Gi
          requests:
            cpu: 0.5
            memory: 1Gi
        ports:
        - containerPort: 55679 # Default endpoint for ZPages.
        - containerPort: 9411 # Default endpoint for Zipkin receiver.
        - containerPort: 8888  # Default endpoint for querying metrics.
        - name: fluentforward
          hostPort: 18006
          containerPort: 8006  # fluent.
        volumeMounts:
        - name: otel-collector-config-vol
          mountPath: /etc/otelcol-contrib # For my demo image only - /etc/otel
        - name: otel-cluster-config-vol
          mountPath: /certs
      volumes:
        - configMap:
            name: otel-collector-conf
            items:
              - key: otel-collector-config
                path: config.yaml
          name: otel-collector-config-vol
        - configMap:
            name: otel-cluster-config
            items:
              - key: ca.crt
                path: ca.crt
              - key: fluentbit-cert.pem
                path: fluentbit-cert.pem
              - key: fluentbit-key.pem
                path: fluentbit-key.pem
          name: otel-cluster-config-vol