Worker node going to "Not Ready State"

Asking for help? Comment out what you need so we can get more information to help you!

Cluster information:

Kubernetes version: v1.18.1
Cloud being used:bare-metal
Installation method:manual
Host OS: Centos
CNI and version:
CRI and version:

You can format your yaml by highlighting it and pressing Ctrl-Shift-C, it will make your output easier to read.

Issue:
I have controller going the Not Ready State:
[sysadmin@controller-0 ~(keystone_admin)]$ kubectl get nodes
NAME STATUS ROLES AGE VERSION
controller-0 Ready master 17d v1.18.1
controller-1 NotReady master 15d v1.18.1

Have tried looking in the issue but not able to fix it.
checking
further via:
kubectl describe nodes

Conditions:
Type Status LastHeartbeatTime LastTransitionTime Reason Message


NetworkUnavailable False Fri, 06 Nov 2020 12:06:53 +0000 Fri, 06 Nov 2020 12:06:53 +0000 CalicoIsUp Calico is running on this node
MemoryPressure Unknown Thu, 12 Nov 2020 02:16:24 +0000 Thu, 12 Nov 2020 02:17:22 +0000 NodeStatusUnknown Kubelet stopped posting node status.
DiskPressure Unknown Thu, 12 Nov 2020 02:16:24 +0000 Thu, 12 Nov 2020 02:17:22 +0000 NodeStatusUnknown Kubelet stopped posting node status.
PIDPressure Unknown Thu, 12 Nov 2020 02:16:24 +0000 Thu, 12 Nov 2020 02:17:22 +0000 NodeStatusUnknown Kubelet stopped posting node status.
Ready Unknown Thu, 12 Nov 2020 02:16:24 +0000 Thu, 12 Nov 2020 02:17:22 +0000 NodeStatusUnknown Kubelet stopped posting node status.

Please help support.