Kubernetes cluster failed when I want to add a new master node

Hi guys I have a problem with installing kubernetes.I have a master node and cluster is healthy but when I want to add a new master node with this command

kubeadm join --token 6blql0.yt17i59h9b30ilnb  --discovery-token-ca-cert-hash sha256:d6b3da92afd7b74919bbcf7a902d1a1f9ec325af664223de720cf7f5d6224407 --control-plane --certificate-key 17777d59ffc5d5dfdb5defdaca8899456b6511d5b87008d1a760f5b25f90d0aa

it gives me following error

[kubelet-start] Waiting for the kubelet to perform the TLS Bootstrap...
[etcd] Announced new etcd member joining to the existing etcd cluster
[etcd] Creating static Pod manifest for "etcd"
[etcd] Waiting for the new etcd member to join the cluster. This can take up to 40s
[kubelet-check] Initial timeout of 40s passed.and also master1 fails. what should I do for solving this unknown problem