This release includes the following changes:

• containerd v1.2.13 (#5727)
• Fix certificates checking when adding etcd node to existing k8s node (#5826)
• Fix failures in network connection cleanup in kube-proxy (#5828)
• Add support for FlatCar Linux (#5818)
• Add proxy support to containerd, add kube_service_addresses / kube_pods_subnet to no_proxy (#5830)