4.14.50
4.15.50
4.16.38

InstallerPodContainerWaitingDegraded: Pod
"installer-20-integrity-gs02.sys.eng.rdu2.dc.redhat.com" on node
"integrity-gs02.sys.eng.rdu2.dc.redhat.com" container "installer" is
waiting since 2025-06-08 22:39:08 +0000 UTC because ContainerCreating
InstallerPodNetworkingDegraded: Pod
"installer-20-integrity-gs02.sys.eng.rdu2.dc.redhat.com" on node
"integrity-gs02.sys.eng.rdu2.dc.redhat.com" observed degraded
networking: (combined from similar events): Failed to create pod
sandbox: rpc error: code = Unknown desc = failed to create pod network
sandbox
k8s_installer-20-integrity-gs02.sys.eng.rdu2.dc.redhat.com_openshift-kube-apiserver_73bd8800-ac3b-480d-aae1-e2659e80bc04_0(2c634982721651a6dd0d7da3521b84b845174ccdd356a960afcd704823e25d53):
error adding pod
openshift-kube-apiserver_installer-20-integrity-gs02.sys.eng.rdu2.dc.redhat.com
to CNI network "multus-cni-network": plugin type="multus-shim"
name="multus-cni-network" failed (add): CmdAdd (shim): CNI request
failed with status 400:
'ContainerID:"2c634982721651a6dd0d7da3521b84b845174ccdd356a960afcd704823e25d53"
Netns:"/var/run/netns/b493971b-cc93-42bc-85cb-f0561fe46f23"
IfName:"eth0"
Args:"IgnoreUnknown=1;K8S_POD_NAMESPACE=openshift-kube-apiserver;K8S_POD_NAME=installer-20-integrity-gs02.sys.eng.rdu2.dc.redhat.com;K8S_POD_INFRA_CONTAINER_ID=2c634982721651a6dd0d7da3521b84b845174ccdd356a960afcd704823e25d53;K8S_POD_UID=73bd8800-ac3b-480d-aae1-e2659e80bc04"
Path:"" ERRORED: error configuring pod
[openshift-kube-apiserver/installer-20-integrity-gs02.sys.eng.rdu2.dc.redhat.com]
networking: Multus:
[openshift-kube-apiserver/installer-20-integrity-gs02.sys.eng.rdu2.dc.redhat.com/73bd8800-ac3b-480d-aae1-e2659e80bc04]:
error waiting for pod: pod
"installer-20-integrity-gs02.sys.eng.rdu2.dc.redhat.com" not found
InstallerPodNetworkingDegraded: ': StdinData:
{"binDir":"/var/lib/cni/bin","clusterNetwork":"/host/run/multus/cni/net.d/10-ovn-kubernetes.conf","cniVersion":"0.3.1","daemonSocketDir":"/run/multus/socket","globalNamespaces":"default,openshift-multus,openshift-sriov-network-operator","logLevel":"verbose","logToStderr":true,"name":"multus-cni-network","namespaceIsolation":true,"type":"multus-shim"}

4.16.38

Once

1. install OpenShift SDN 4.14.50 and configure balance-slb OVS bonds using nmstate https://github.com/RHsyseng/rhcos-slb/blob/simplify-networking/README.md
2. upgrade to 4.15
3. upgrade to 4.16.38
4. apply OVN-K live migration workarounds https://github.com/rbbratta/rhcos-slb/blob/sdn-to-ovn-migration/sdn-to-ovn/README.md
5. live migrate to OVN-K
6. wait

kube-apiserver                             4.16.38   True        True          True       34d     InstallerPodContainerWaitingDegraded

No cluster operators degraded

2025-06-09T15:11:43Z [error] failed to list pods with new certs: Get "https://api-int.integrity.sys.eng.rdu2.dc.redhat.com:6443/api/v1/pods": dial tcp: lookup api-int.integrity.sys.eng.rdu2.dc.redhat.com: no such host
E0609 15:11:43.345999   86824 certificate_manager.go:562] kubernetes.io/kube-apiserver-client: Failed while requesting a signed certificate from the control plane: cannot create certificate signing request: Post "https://api-int.integrity.sys.eng.rdu2.dc.redhat.com:6443/apis/certificates.k8s.io/v1/certificatesigningrequests": dial tcp: lookup api-int.integrity.sys.eng.rdu2.dc.redhat.com: no such host
W0609 15:11:53.327884   86824 reflector.go:539] k8s.io/client-go/informers/factory.go:159: failed to list *v1.Pod: Get "https://api-int.integrity.sys.eng.rdu2.dc.redhat.com:6443/api/v1/pods?fieldSelector=spec.nodeName%3Dintegrity-gs02.sys.eng.rdu2.dc.redhat.com&resourceVersion=36232299": dial tcp: lookup api-int.integrity.sys.eng.rdu2.dc.redhat.com: no such host