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CI: K8sServicesTest Checks service across nodes Tests NodePort BPF Tests with XDP, direct routing and Hybrid #12281

@tklauser

Description

@tklauser

Seen on net-next tests for #12254

/home/jenkins/workspace/Cilium-PR-K8s-oldest-net-next/src/github.com/cilium/cilium/test/ginkgo-ext/scopes.go:514
Request from k8s1 to service tftp://192.168.36.12:31234/hello failed
Expected command: kubectl exec -n kube-system log-gatherer-smsnq -- /bin/bash -c 'fails=""; id=$RANDOM; for i in $(seq 1 10); do if curl --path-as-is -s -D /dev/stderr --fail --connect-timeout 5 --max-time 20 tftp://192.168.36.12:31234/hello -H "User-Agent: cilium-test-$id/$i"; then echo "Test round $id/$i exit code: $?"; else fails=$fails:$id/$i=$?; fi; done; if [ -n "$fails" ]; then echo "failed: $fails"; fi; cnt="${fails//[^:]}"; if [ ${#cnt} -gt 0 ]; then exit 42; fi' 
To succeed, but it failed:
Exitcode: 42 
Stdout:
 	 
	 Hostname: testds-znvgg
	 
	 Request Information:
	 	client_address=192.168.36.11
	 	client_port=57579
	 	real path=/hello
	 	request_scheme=tftp
	 
	 Test round 32157/1 exit code: 0
	 
	 Hostname: testds-ztdgk
	 
	 Request Information:
	 	client_address=10.10.0.49
	 	client_port=39444
	 	real path=/hello
	 	request_scheme=tftp
	 
	 Test round 32157/2 exit code: 0
	 
	 Hostname: testds-znvgg
	 
	 Request Information:
	 	client_address=192.168.36.11
	 	client_port=32773
	 	real path=/hello
	 	request_scheme=tftp
	 
	 Test round 32157/3 exit code: 0
	 
	 Hostname: testds-znvgg
	 
	 Request Information:
	 	client_address=192.168.36.11
	 	client_port=54477
	 	real path=/hello
	 	request_scheme=tftp
	 
	 Test round 32157/4 exit code: 0
	 
	 Hostname: testds-znvgg
	 
	 Request Information:
	 	client_address=192.168.36.11
	 	client_port=38194
	 	real path=/hello
	 	request_scheme=tftp
	 
	 Test round 32157/5 exit code: 0
	 
	 Hostname: testds-znvgg
	 
	 Request Information:
	 	client_address=192.168.36.11
	 	client_port=50590
	 	real path=/hello
	 	request_scheme=tftp
	 
	 Test round 32157/6 exit code: 0
	 
	 Hostname: testds-ztdgk
	 
	 Request Information:
	 	client_address=10.10.0.49
	 	client_port=51870
	 	real path=/hello
	 	request_scheme=tftp
	 
	 Test round 32157/8 exit code: 0
	 
	 Hostname: testds-znvgg
	 
	 Request Information:
	 	client_address=192.168.36.11
	 	client_port=33737
	 	real path=/hello
	 	request_scheme=tftp
	 
	 Test round 32157/9 exit code: 0
	 
	 Hostname: testds-ztdgk
	 
	 Request Information:
	 	client_address=10.10.0.49
	 	client_port=48269
	 	real path=/hello
	 	request_scheme=tftp
	 
	 Test round 32157/10 exit code: 0
	 failed: :32157/7=28
	 
Stderr:
 	 command terminated with exit code 42
	 

/home/jenkins/workspace/Cilium-PR-K8s-oldest-net-next/src/github.com/cilium/cilium/test/k8sT/Services.go:749

3904f832_K8sServicesTest_Checks_service_across_nodes_Tests_NodePort_BPF_Tests_with_XDP,_direct_routing_and_Hybrid.zip

https://jenkins.cilium.io/job/Cilium-PR-K8s-oldest-net-next/963

Possibly related to or a recurrence of #11029? /cc @borkmann @brb @joestringer

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