Use master IP in ETCD_ADVERTISE_CLIENT_URLS. With 0.0.0.0, etcdctl on Kubernetes nodes will try to connect to http://0.0.0.0 which won't work from a node.
/etc/kubernetes/apiserver:
--address is deprecated, replaced with --insecure-bind-address
--portal_net is deprecated, replaced with --service-cluster-ip-range
Enable and start flanneld on the master. Needed for accessing pods using flanneld IPs.
ETCD_ADVERTISE_CLIENT_URLS. With0.0.0.0,etcdctlon Kubernetes nodes will try to connect to http://0.0.0.0 which won't work from a node./etc/kubernetes/apiserver:--addressis deprecated, replaced with--insecure-bind-address--portal_netis deprecated, replaced with--service-cluster-ip-rangeflanneldon the master. Needed for accessing pods using flanneld IPs./etc/kubernetes/kublet:--hostname_overrideto--hostname-override--api_serversto--api-servers--cluster-cidrto Kubernetes ProxyiptablesFORWARDACCEPTpolicy on the nodes