[v1.17] CI: Cilium IPsec upgrade - FIB lookup failed #40369
Description
CI failure
Seems to have started failing recently, always in matrix entry 5:
- https://github.com/cilium/cilium/actions/runs/16053957399/job/45303525286
- https://github.com/cilium/cilium/actions/runs/16060475298/job/45325117752
And similar failures in the E2E Upgrade workflow (ipsec-5 entry):
- https://github.com/cilium/cilium/actions/runs/16053957092/job/45303510892
- https://github.com/cilium/cilium/actions/runs/16060475163/job/45325114565
- https://github.com/cilium/cilium/actions/runs/16070780875/job/45358111155
Example sysdump: cilium-sysdump-ipsec-5-final.zip
📋 Test Report [cilium-test-1]
❌ 1/2 tests failed (1/29 actions), 6 tests skipped, 0 scenarios skipped:
Test [no-unexpected-packet-drops]:
🟥 no-unexpected-packet-drops/no-unexpected-packet-drops:kind-kind/kind-control-plane: Found unexpected packet drops:
{
"labels": {
"direction": "EGRESS",
"reason": "FIB lookup failed"
},
"name": "cilium_drop_count_total",
"value": 2
}