failed to get context for in-cluster kube config: open /var/run/secrets/kubernetes.io/serviceaccount/token: no such file or directory

[13567436138]

What happend:

  Warning  FailedCreatePodSandBox  0s    kubelet            Failed to create pod sandbox: rpc error: code = Unknown desc = failed to setup network for sandbox "259428c225183e265d4f994c2064eecda1bcc6b8679666a2da1f155d0a406340": plugin type="multus-shim" name="multus-cni-network" failed (add): CmdAdd (shim): CNI request failed with status 400: 'ContainerID:"259428c225183e265d4f994c2064eecda1bcc6b8679666a2da1f155d0a406340" Netns:"/var/run/netns/cni-10ba9733-eff2-c375-6bd4-460b96e709ae" IfName:"eth0" Args:"K8S_POD_NAMESPACE=default;K8S_POD_NAME=samplepod;K8S_POD_INFRA_CONTAINER_ID=259428c225183e265d4f994c2064eecda1bcc6b8679666a2da1f155d0a406340;K8S_POD_UID=4caa22fb-5095-44d1-9102-4f54223f6616;IgnoreUnknown=1" Path:"" ERRORED: error configuring pod [default/samplepod] networking: [default/samplepod/4caa22fb-5095-44d1-9102-4f54223f6616:multus-config]: error adding container to network "multus-config": Multus: error getting k8s client: GetK8sClient: failed to get context for in-cluster kube config: open /var/run/secrets/kubernetes.io/serviceaccount/token: no such file or directory
': StdinData: {"capabilities":{"bandwidth":true,"portMappings":true},"clusterNetwork":"/host/etc/cni/net.d/10-calico.conflist","cniVersion":"0.3.1","logLevel":"verbose","logToStderr":true,"name":"multus-cni-network","type":"multus-shim"}

cat <<EOF | kubectl apply -f -
apiVersion: "k8s.cni.cncf.io/v1"
kind: NetworkAttachmentDefinition
metadata:
  name: multus-config
spec:
  config: '{
    "cniVersion": "0.3.1",
    "name": "multus-config",
    "type": "multus",
    "delegates": [
      {
        "cniVersion": "0.3.1",
        "name": "macvlan-ipv4",
        "type": "macvlan",
        "master": "ens33",
        "ipam": {
          "type": "host-local",
          "subnet": "192.168.1.0/24",
          "rangeStart": "192.168.1.10",
          "rangeEnd": "192.168.1.20",
          "routes": [
            { "dst": "0.0.0.0/0" }
          ]
        }
      },
      {
        "cniVersion": "0.3.1",
        "name": "macvlan-ipv6",
        "type": "macvlan",
        "master": "ens33",
        "ipam": {
          "type": "host-local",
          "subnet": "fd00::/64",
          "rangeStart": "fd00::10",
          "rangeEnd": "fd00::20",
          "routes": [
            { "dst": "::/0" }
          ]
        }
      }
    ]
   }'
EOF

cat <<EOF | kubectl create -f -
apiVersion: v1
kind: Pod
metadata:
  name: samplepod
  annotations:
    k8s.v1.cni.cncf.io/networks: multus-config
spec:
  containers:
    - name: nginx-container
      image: nginx:latest
      ports:
        - containerPort: 80
      volumeMounts:
        - name: nginx-storage
          mountPath: /usr/share/nginx/html
  volumes:
    - name: nginx-storage
      emptyDir: {}
EOF

What you expected to happen:

How to reproduce it (as minimally and precisely as possible):

Anything else we need to know?:

Environment:

• Multus version
  install using kubectl apply -f https://raw.githubusercontent.com/k8snetworkplumbingwg/multus-cni/master/deployments/multus-daemonset-thick.yml
  image path and image ID (from 'docker images')

• Kubernetes version (use kubectl version):1.31.0

• Primary CNI for Kubernetes cluster: calico

• OS (e.g. from /etc/os-release):ubuntu 2404

• File of '/etc/cni/net.d/'
  root@k8s-master01:~# ls /etc/cni/net.d/
  00-multus.conf 10-calico.conflist 10-containerd-net.conflist calico-kubeconfig

• File of '/etc/cni/multus/net.d'
  root@k8s-master01:~# ls /etc/cni/multus/net.d
  ls: cannot access '/etc/cni/multus/net.d': No such file or directory

• NetworkAttachment info (use kubectl get net-attach-def -o yaml)

• Target pod yaml info (with annotation, use kubectl get pod <podname> -o yaml)

• Other log outputs (if you use multus logging)