code: func (kl *Kubelet) getHostIPAnyWay() (net.IP, error) {
  	node, err := kl.getNodeAnyWay()
  	if err != nil {
  		return nil, err
  	}
  	return utilnode.GetNodeHostIP(node)
  }
docs: // getHostIPAnyway attempts to return the host IP from kubelet's nodeInfo, or
  // the initialNode.