Problem
Upon kubeadm join token execution on slave machine, slave was not able to communicate with master.
Cause
Slave's K8 version was higher than master's version.
Fix
Update Master and Slave to the same K8 version.
Upon kubeadm join token execution on slave machine, slave was not able to communicate with master.
Slave's K8 version was higher than master's version.
Update Master and Slave to the same K8 version.