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* AlmaLinux: ansible>2.9.19 is needed to know about AlmaLinux * AlmaLinux: identify as a centos derrivative * AlmaLinux: add AlmaLinux to checks for CentOS * Use ansible_os_family to compare family and not distribution
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CentOS 8 / AlmaLinux 8
CentOS 8 / AlmaLinux 8 ships only with iptables-nft (ie without iptables-legacy)
The only tested configuration for now is using Calico CNI
You need to use K8S 1.17+ and to add calico_iptables_backend: "NFT" or calico_iptables_backend: "Auto" to your configuration
If you have containers that are using iptables in the host network namespace (hostNetwork=true),
you need to ensure they are using iptables-nft.
An example how k8s do the autodetection can be found in this PR