kube-system ----------- KUBELET Set KUBELET_EXTRA_ARGS=--node-ip=192.168.4.X --resolv-conf=/run/systemd/resolve/resolv.conf [ this part only on Ubuntu hosts] Run sudo update-alternatives --set ip6tables /usr/sbin/ip6tables-legacy sudo update-alternatives --set iptables /usr/sbin/iptables-legacy to switch to iptables. Uses nftables otherwise, which isn't suported. KUBE-CONTROLLER-MANAGER / KUBE-SCHEDULER Set '--leader-elect=false' in their manifests at /etc/kubernetes/manifests.