node-ip-migration tests are flaking

[tssurya]

Which jobs are flaking?

node-migration tests

Which tests are flaking?

https://github.com/ovn-org/ovn-kubernetes/actions/runs/10616100554/job/29427820894?pr=4555
node ip migration, sgw, nonIC

Since when has it been flaking?

Some days? :)

Reason for failure (if possible)

Summarizing 7 Failures:
  [FAIL] Node IP and MAC address migration [BeforeEach] when the node IPv6 address is updated when EgressIPs are configured makes sure that the EgressIP is still operational (update kubelet first, the IP address later)
  /home/runner/work/ovn-kubernetes/ovn-kubernetes/test/e2e/node_ip_mac_migration.go:118
  [FAIL] Node IP and MAC address migration [BeforeEach] when the node IPv6 address is updated when EgressIPs are configured makes sure that the EgressIP is still operational (update the IP address first, kubelet later)
  /home/runner/work/ovn-kubernetes/ovn-kubernetes/test/e2e/node_ip_mac_migration.go:118
  [FAIL] Node IP and MAC address migration [BeforeEach] when the node IPv4 address is updated when ETP=Local service with host network backend is configured makes sure that the flows are updated with new IP address (update kubelet first, the IP address later)
  /home/runner/work/ovn-kubernetes/ovn-kubernetes/test/e2e/node_ip_mac_migration.go:118
  [FAIL] Node IP and MAC address migration [BeforeEach] when the node IPv4 address is updated when ETP=Local service with host network backend is configured makes sure that the flows are updated with new IP address (update the IP address first, kubelet later)
  /home/runner/work/ovn-kubernetes/ovn-kubernetes/test/e2e/node_ip_mac_migration.go:118
  [FAIL] Node IP and MAC address migration [BeforeEach] when the node IPv6 address is updated when ETP=Local service with host network backend is configured makes sure that the flows are updated with new IP address (update kubelet first, the IP address later)
  /home/runner/work/ovn-kubernetes/ovn-kubernetes/test/e2e/node_ip_mac_migration.go:118
  [FAIL] Node IP and MAC address migration [BeforeEach] when the node IPv6 address is updated when ETP=Local service with host network backend is configured makes sure that the flows are updated with new IP address (update the IP address first, kubelet later)
  /home/runner/work/ovn-kubernetes/ovn-kubernetes/test/e2e/node_ip_mac_migration.go:118
  [FAIL] Node IP and MAC address migration [BeforeEach] when when MAC address changes when a nodeport service is configured Ensures flows are updated when MAC address changes
  /home/runner/work/ovn-kubernetes/ovn-kubernetes/test/e2e/node_ip_mac_migration.go:118

Anything else we need to know?

No response

[npinaeva]

found it!
https://github.com/ovn-org/ovn-kubernetes/actions/runs/10594435218/job/29359313118?pr=4596