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I've got a k8s (on-premise) cluster with 1 master and 3 workers, all ubuntu, latest LTS version.

2 workers are running fine, but pods getting scheduled to one stay in the ContainerCreating state with the error.

Failed to create pod sandbox: rpc error: code = Unknown desc = failed to set up sandbox container "1234" network for pod "clean-updater-hxknv": networkPlugin cni failed to set up pod "clean-updater-hxknv_default" network: failed to set bridge addr: "cni0" already has an IP address different from 10.244.6.1/24

cni0 has an ip of:

cni0: <BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state UP group default qlen 1000 inet 10.244.3.1/24 brd 10.244.3.255 scope global cni0

I've tried kubeadm reset and join again on the node but it didnt help. How to fix this error?

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