Failed to create pod sandbox: invalid CIDR address

[bolecodex]

Hi community,

I have met the following problem at the last step. Does someone know how to work around it?

Many Thanks
Weibo

Administrator:~/environment $ kubectl get pods -l app=nginxNAME                     READY   STATUS              RESTARTS   AGE
nginx-6799fc88d8-9rqnj   0/1     ContainerCreating   0          7m56s

Administrator:~/environment $  kubectl describe pod nginx-6799fc88d8-9rqnjName:           nginx-6799fc88d8-9rqnj
Namespace:      default
Priority:       0
Node:           ip-10-0-1-22/10.0.1.22
Start Time:     Fri, 24 Feb 2023 23:06:49 +0000
Labels:         app=nginx
                pod-template-hash=6799fc88d8
Annotations:    <none>
Status:         Pending
IP:             
IPs:            <none>
Controlled By:  ReplicaSet/nginx-6799fc88d8
Containers:
  nginx:
    Container ID:   
    Image:          nginx
    Image ID:       
    Port:           <none>
    Host Port:      <none>
    State:          Waiting
      Reason:       ContainerCreating
    Ready:          False
    Restart Count:  0
    Environment:    <none>
    Mounts:
      /var/run/secrets/kubernetes.io/serviceaccount from kube-api-access-4spk9 (ro)
Conditions:
  Type              Status
  Initialized       True 
  Ready             False 
  ContainersReady   False 
  PodScheduled      True 
Volumes:
  kube-api-access-4spk9:
    Type:                    Projected (a volume that contains injected data from multiple sources)
    TokenExpirationSeconds:  3607
    ConfigMapName:           kube-root-ca.crt
    ConfigMapOptional:       <nil>
    DownwardAPI:             true
QoS Class:                   BestEffort
Node-Selectors:              <none>
Tolerations:                 node.kubernetes.io/not-ready:NoExecute op=Exists for 300s
                             node.kubernetes.io/unreachable:NoExecute op=Exists for 300s
Events:
  Type     Reason                  Age                     From               Message
  ----     ------                  ----                    ----               -------
  Normal   Scheduled               8m3s                    default-scheduler  Successfully assigned default/nginx-6799fc88d8-9rqnj to ip-10-0-1-22
  Warning  FailedCreatePodSandBox  8m3s                    kubelet            Failed to create pod sandbox: rpc error: code = Unknown desc = failed to setup network for sandbox "8eb840c025368927a33b29fce47731fbf3113f3ef7d5e614fa4d896cd70bef13": invalid CIDR address:
  Warning  FailedCreatePodSandBox  7m52s                   kubelet            Failed to create pod sandbox: rpc error: code = Unknown desc = failed to setup network for sandbox "6854f4c1599233e6714ee46f4c5778ef34536ec2867cdad0c04d69c061a5ab12": invalid CIDR address:
  Warning  FailedCreatePodSandBox  7m40s                   kubelet            Failed to create pod sandbox: rpc error: code = Unknown desc = failed to setup network for sandbox "090f853a5cd89433b37a9415f4b7d67e95e5b31846aabbe56bac5273240f82d5": invalid CIDR address:
  Warning  FailedCreatePodSandBox  7m28s                   kubelet            Failed to create pod sandbox: rpc error: code = Unknown desc = failed to setup network for sandbox "9f7eb5c84fcafbeee9ab5f663a8fb829ef8e5d5983d3953f484f7f3819832d09": invalid CIDR address: