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The same approach hasn't worked very well or very consistently with RHEL. I'm using containerd as the runtime. Because iptables-legacy is hardcoded out of RHEL 8, I'm using iptables-nft (installed on OS). I use Terraform to deploy the cluster and provide configuration values to tell vpc-cni to enable nftables (noted at the bottom here: https://github.com/aws/amazon-vpc-cni-k8s/blob/master/docs/troubleshooting.md), as well as to install and enable ipvs on kube-proxy.
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