CI: Conformance EKS - no-errors-in-logs - Unable to assign additional IPs to interface, will create new interface #36428
Description
CI failure
- Link: https://github.com/cilium/cilium/actions/runs/12200539042/job/34037297559
- Sysdump: cilium-sysdump-20241206-150045.zip
❌ Found 1 logs in cilium-cilium-12200539042-1.ca-central-1.eksctl.io/kube-system/cilium-operator-7d6ccc585b-s9rbj (cilium-operator) matching list of errors that must be investigated:
time="2024-12-06T14:53:59.84505706Z" level=warning msg="Unable to assign additional IPs to interface, will create new interface" error="operation error EC2: AssignPrivateIpAddresses, https response error StatusCode: 400, RequestID: c02abbd0-8ad7-4b75-a746-b27581d3e36b, api error PrivateIpAddressLimitExceeded: Number of private addresses will exceed limit." instanceID=i-063ca0c014fa6cd3b ipsToAllocate=2 name=ip-192-168-128-163.ca-central-1.compute.internal selectedInterface=eni-0f9b7711d7da62184 subsys=ipam (1 occurrences)
It looks like this log may just need to be demoted to info level, because it represents an expected condition.
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Continuous Integration testing issue or flakeImpacts ENI based IPAM.This is a known failure that occurs in the tree. Please investigate me!Please volunteer for this by adding yourself as an assignee!Related to integration with cloud environments such as AKS, EKS, GKE, etc.This is a bug in the Cilium logic.