...
Kubernetes Addons - weave second/slaves pods are not starting up after executing kubeadm join command in the slave machines. weave pods status is CrashLoopBackOff
Cause
Enhanced network feature to use ethernet network interface (eth0) Network interface is not configured . "ifconfig -a" shown the result with "ens5High" for the private ip network instead of eth0network configuration. eth0 is not enabled due to low/moderate network interface configuration for an instance.
Fix
Provision the aws instances with "High" network interface configuration (In Aws console, specific instance configuration network interface should be eth0). Kubernetes cni (weave) network will use the ethernet to start the cluster(Result: slave node status will be "Ready").