ipsec-external-requires-nmstate-butane-routingviahost

Status: IN

External IPsec requires NMState Operator, Butane tool, and `routingViaHost=true` in `ovnKubernetesConfig.gatewayConfig`.

Source: entries/2026/03/05/en-documentation-openshift_container_platform-417-html-network_security-configur.md