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Conformance KPR EKS: unable to find ENI netlink interface #45414

@pchaigno

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@pchaigno
   ❌ Found 5 logs in cilium-cilium-24381875289-1-1-1-33.us-east-2.eksctl.io/kube-system/cilium-m9v55 (cilium-agent) from before pod restart matching list of errors that must be investigated:
time=2026-04-14T05:19:20.464985028Z level=warn source=/go/src/github.com/cilium/cilium/daemon/infraendpoints/infra_ip_allocation.go:301 msg="unable to find ENI netlink interface, this will likely lead to an error in configuring the router routes and rules" module=agent.controlplane.agent-infra-endpoints macAddr=06:d0:8e:17:bc:b5 (1 occurrences)
time=2026-04-14T05:19:20.46517829Z level=error source=/go/src/github.com/cilium/cilium/vendor/github.com/cilium/hive/cell/lifecycle.go:142 msg="Start hook failed" function="cmd.daemonLegacyInitialization.func1 (cmd/daemon_main.go:1288) (agent.controlplane.daemon)" error="daemon configuration failed: failed to allocate router IPs: failed to configure router IP rules and routes: unable to find ifindex for interface MAC: interface with MAC 06:d0:8e:17:bc:b5 not found" (1 occurrences)
time=2026-04-14T05:19:20.465211316Z level=error source=/go/src/github.com/cilium/cilium/vendor/github.com/cilium/hive/hive.go:409 msg="Failed to start hive" error="daemon configuration failed: failed to allocate router IPs: failed to configure router IP rules and routes: unable to find ifindex for interface MAC: interface with MAC 06:d0:8e:17:bc:b5 not found" duration=16.818584706s (1 occurrences)
time=2026-04-14T05:19:20.466315865Z level=error source=/go/src/github.com/cilium/cilium/pkg/endpoint/api/endpoint_deletion_queue.go:46 msg="deletionQueue: failed to wait for endpoint restoration" module=agent.controlplane.endpoint-api error="context canceled" (1 occurrences)
panic: Start or stop failed to finish on time, aborting forcefully. (1 occurrences)

Example: https://github.com/cilium/cilium/actions/runs/24381875289/job/71207034853
Sysdump: cilium-sysdump-20260414-053648.zip

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area/CIContinuous Integration testing issue or flakeci/flakeThis is a known failure that occurs in the tree. Please investigate me!integration/cloudRelated to integration with cloud environments such as AKS, EKS, GKE, etc.

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