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  • node节点pod无法启动/节点删除网络重置"cni0" already has an IP address different from


    node节点pod无法启动/节点删除网络重置,提示语:"cni0" already has an IP address different from


    原因:

    node1之前反复添加过,添加之前需要清除下网络

    # kubectl get pod -n kube-system -o wide|grep tiller
    tiller-deploy-86b574cb79-wbncz 0/1 ContainerCreating 0 4m27s <none> k8s-node-3 <none> <none>

    # kubectl -n kube-system describe pod tiller-deploy-86b574cb79-wbncz
    Name: tiller-deploy-86b574cb79-wbncz
    Namespace: kube-system
    Priority: 0
    Node: k8s-node-3/10.6.76.25
    ..

    Normal SandboxChanged 87s (x12 over 112s) kubelet, k8s-node-3 Pod sandbox changed, it will be killed and re-created.
    Warning FailedCreatePodSandBox 85s (x4 over 92s) kubelet, k8s-node-3 (combined from similar events): Failed create pod sandbox: rpc error: code = Unknown desc = failed to set up sandbox container "8216e206b227e96bca8153415fcaf34d26bf969c50fec99de300a955b45cb177" network for pod "tiller-deploy-86b574cb79-wbncz": NetworkPlugin cni failed to set up pod "tiller-deploy-86b574cb79-wbncz_kube-system" network: failed to set bridge addr: "cni0" already has an IP address different from 10.244.3.1/24
    [root@k8s-master linux-amd64]#

    在Node上执行如下操作:

    重置kubernetes服务,重置网络。删除网络配置,link 

    kubeadm reset
    systemctl stop kubelet
    systemctl stop docker
    rm -rf /var/lib/cni/
    rm -rf /var/lib/kubelet/*
    rm -rf /etc/cni/
    ifconfig cni0 down
    ifconfig flannel.1 down
    ifconfig docker0 down
    ip link delete cni0
    ip link delete flannel.1
    systemctl start docker
    systemctl start kubelet

    获取master的join token

    kubeadm token create --print-join-command

    重新加入节点

    kubeadm join 10.6.76.26:6443 --token iweubu.ebjsywhlaklmgjep --discovery-token-ca-cert-hash sha256:f03b27e002e77fcec510e057385ce382c02171b7f28d71ac95d8ac0f7c7330b1

    嗨~如果有帮助,请帮忙点个赞吧,谢谢 -致敬每一个正在努力的人
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  • 原文地址:https://www.cnblogs.com/dongweizhen/p/13824879.html
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