[preflight] Running pre-flight checks
[WARNING IsDockerSystemdCheck]: detected "cgroupfs" as the Docker cgroup driver. The recommended driver is "systemd". Please follow the guide at /docs/setup/cri/
error execution phase preflight: [preflight] Some fatal errors occurred:
[ERROR Port-10250]: Port 10250 is in use
[preflight] If you know what you are doing, you can make a check non-fatal with `--ignore-preflight-errors=...`出现上述报错，端口被占用。执行以下kubeadm reset 重置配置