(nf_tables): RULE_APPEND failed (Too many links)
Issue
- nftables (iptables is nftables in RHEL 8) fails to add to a rule due to
Too many linkserror.
(nf_tables): RULE_APPEND failed (Too many links)
Environment
- Red Hat Enterprise Linux 8
- nftables firewall
- Might be seen with third-party container or Kubernetes CNI network plugin
- AWS EKS Cider with 15 or more CIDRs in a VPC
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