kubernetes [ERROR Port-10250]: Port 10250 is in use
[preflight] Running pre-flight checks 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=...` To see the stack trace of this error execute with --v=5 or higher root@master:~# kubeadm reset