James58899 says to OKTW Network 2019/02/28 06:32:42 Kube node oktw-srv2 was rebooted (reboot=2019-02-28 06:31:07.92899869 +0000 UTC < boot=2019-02-28 06:31:17 +0000 UTC)... 檢查了一下log，是系統自動更新 🌝