$ oc get UserDefinedNetwork -o yamlapiVersion: v1items:- apiVersion: k8s.ovn.org/v1  kind: UserDefinedNetwork  metadata:    annotations:      kubectl.kubernetes.io/last-applied-configuration: |        {"apiVersion":"k8s.ovn.org/v1","kind":"UserDefinedNetwork","metadata":{"annotations":{},"name":"l3-secondary","namespace":"e2e-test-networking-udn-7kzvb"},"spec":{"layer3":{"mtu":9000,"role":"Secondary","subnets":[{"cidr":"20.200.0.0/16","hostSubnet":24}]},"topology":"Layer3"}}    creationTimestamp: "2024-12-16T18:38:00Z"    finalizers:    - k8s.ovn.org/user-defined-network-protection    generation: 1    name: l3-secondary    namespace: e2e-test-networking-udn-7kzvb    resourceVersion: "135846"    uid: c25b2eb2-1272-40b7-ab9e-246c9831c8e9  spec:    layer3:      mtu: 9000      role: Secondary      subnets:      - cidr: 20.200.0.0/16        hostSubnet: 24    topology: Layer3  status:    conditions:    - lastTransitionTime: "2024-12-16T18:38:00Z"      message: Network allocation succeeded for all synced nodes.      reason: NetworkAllocationSucceeded      status: "True"      type: NetworkAllocationSucceeded    - lastTransitionTime: "2024-12-16T18:38:00Z"      message: NetworkAttachmentDefinition has been created      reason: NetworkAttachmentDefinitionReady      status: "True"      type: NetworkReadykind: Listmetadata:  resourceVersion: ""
$ oc get networks.operator.openshift.io cluster -o jsonpath={.spec.useMultiNetworkPolicy}true$ oc get net-attach-def l3-secondary -o yamlapiVersion: k8s.cni.cncf.io/v1kind: NetworkAttachmentDefinitionmetadata:  creationTimestamp: "2024-12-16T18:38:00Z"  finalizers:  - k8s.ovn.org/user-defined-network-protection  generation: 1  labels:    k8s.ovn.org/user-defined-network: ""  name: l3-secondary  namespace: e2e-test-networking-udn-7kzvb  ownerReferences:  - apiVersion: k8s.ovn.org/v1    blockOwnerDeletion: true    controller: true    kind: UserDefinedNetwork    name: l3-secondary    uid: c25b2eb2-1272-40b7-ab9e-246c9831c8e9  resourceVersion: "135844"  uid: f228c845-5a58-49a5-8976-668ffa9c65b0spec:  config: '{"cniVersion":"1.0.0","mtu":9000,"name":"e2e-test-networking-udn-7kzvb.l3-secondary","netAttachDefName":"e2e-test-networking-udn-7kzvb/l3-secondary","role":"secondary","subnets":"20.200.0.0/16/24","topology":"layer3","type":"ovn-k8s-cni-overlay"}'$ oc get multi-networkpolicy multinetworkipblock-dual-cidrs-ingress -o yamlapiVersion: k8s.cni.cncf.io/v1beta1kind: MultiNetworkPolicymetadata:  annotations:    k8s.v1.cni.cncf.io/policy-for: e2e-test-networking-udn-7kzvb/ipblockingress77656    kubectl.kubernetes.io/last-applied-configuration: |      {"apiVersion":"k8s.cni.cncf.io/v1beta1","kind":"MultiNetworkPolicy","metadata":{"annotations":{"k8s.v1.cni.cncf.io/policy-for":"e2e-test-networking-udn-7kzvb/ipblockingress77656"},"name":"multinetworkipblock-dual-cidrs-ingress","namespace":"e2e-test-networking-udn-7kzvb"},"spec":{"ingress":[{"from":[{"ipBlock":{"cidr":"20.200.5.4/32"}},{"ipBlock":{"cidr":""}}]}],"podSelector":{},"policyTypes":["Ingress"]}}  creationTimestamp: "2024-12-16T18:39:14Z"  generation: 1  name: multinetworkipblock-dual-cidrs-ingress  namespace: e2e-test-networking-udn-7kzvb  resourceVersion: "136394"  uid: 12e528b3-a583-4604-962f-15b8e34ff465spec:  ingress:  - from:    - ipBlock:        cidr: 20.200.5.4/32    - ipBlock:        cidr: ""  podSelector: {}  policyTypes:  - Ingress$ 
$ oc get podNAME                      READY   STATUS    RESTARTS   AGEmultihoming-pod-1-cm8rp   1/1     Running   0          5m16smultihoming-pod-2-7p68p   1/1     Running   0          5m2smultihoming-pod-3-2j9nw   1/1     Running   0          4m48s
$ for podname in `oc get pod -o wide | grep pod | grep Running | awk '{print $1}'`; do echo $podname; oc exec $podname -- ip a | grep 20.200; donemultihoming-pod-1-cm8rp    inet 20.200.3.4/24 brd 20.200.3.255 scope global net1multihoming-pod-2-7p68p    inet 20.200.4.4/24 brd 20.200.4.255 scope global net1multihoming-pod-3-2j9nw    inet 20.200.5.4/24 brd 20.200.5.255 scope global net1
$ ./ping-pods-net1-ipv4.shRetrieved net1 IPv4 for multihoming-pod-1-cm8rp: 20.200.3.4Retrieved net1 IPv4 for multihoming-pod-2-7p68p: 20.200.4.4Retrieved net1 IPv4 for multihoming-pod-3-2j9nw: 20.200.5.4Pinging from multihoming-pod-1-cm8rp:  -> Pinging multihoming-pod-2-7p68p (20.200.4.4) from multihoming-pod-1-cm8rp...PING 20.200.4.4 (20.200.4.4) 56(84) bytes of data.64 bytes from 20.200.4.4: icmp_seq=1 ttl=62 time=2.48 ms64 bytes from 20.200.4.4: icmp_seq=2 ttl=62 time=0.998 ms64 bytes from 20.200.4.4: icmp_seq=3 ttl=62 time=0.905 ms64 bytes from 20.200.4.4: icmp_seq=4 ttl=62 time=0.988 ms
--- 20.200.4.4 ping statistics ---4 packets transmitted, 4 received, 0% packet loss, time 3061msrtt min/avg/max/mdev = 0.905/1.342/2.477/0.656 ms  -> Pinging multihoming-pod-3-2j9nw (20.200.5.4) from multihoming-pod-1-cm8rp...PING 20.200.5.4 (20.200.5.4) 56(84) bytes of data.64 bytes from 20.200.5.4: icmp_seq=1 ttl=62 time=2.55 ms64 bytes from 20.200.5.4: icmp_seq=2 ttl=62 time=1.01 ms64 bytes from 20.200.5.4: icmp_seq=3 ttl=62 time=0.965 ms64 bytes from 20.200.5.4: icmp_seq=4 ttl=62 time=0.944 ms
--- 20.200.5.4 ping statistics ---4 packets transmitted, 4 received, 0% packet loss, time 3003msrtt min/avg/max/mdev = 0.944/1.366/2.547/0.682 msPinging from multihoming-pod-2-7p68p:  -> Pinging multihoming-pod-1-cm8rp (20.200.3.4) from multihoming-pod-2-7p68p...PING 20.200.3.4 (20.200.3.4) 56(84) bytes of data.64 bytes from 20.200.3.4: icmp_seq=1 ttl=62 time=1.93 ms64 bytes from 20.200.3.4: icmp_seq=2 ttl=62 time=0.987 ms64 bytes from 20.200.3.4: icmp_seq=3 ttl=62 time=0.994 ms64 bytes from 20.200.3.4: icmp_seq=4 ttl=62 time=0.868 ms
--- 20.200.3.4 ping statistics ---4 packets transmitted, 4 received, 0% packet loss, time 3003msrtt min/avg/max/mdev = 0.868/1.195/1.934/0.429 ms  -> Pinging multihoming-pod-3-2j9nw (20.200.5.4) from multihoming-pod-2-7p68p...PING 20.200.5.4 (20.200.5.4) 56(84) bytes of data.64 bytes from 20.200.5.4: icmp_seq=1 ttl=62 time=1.82 ms64 bytes from 20.200.5.4: icmp_seq=2 ttl=62 time=0.344 ms64 bytes from 20.200.5.4: icmp_seq=3 ttl=62 time=0.257 ms64 bytes from 20.200.5.4: icmp_seq=4 ttl=62 time=0.403 ms
--- 20.200.5.4 ping statistics ---4 packets transmitted, 4 received, 0% packet loss, time 3051msrtt min/avg/max/mdev = 0.257/0.706/1.823/0.646 msPinging from multihoming-pod-3-2j9nw:  -> Pinging multihoming-pod-1-cm8rp (20.200.3.4) from multihoming-pod-3-2j9nw...PING 20.200.3.4 (20.200.3.4) 56(84) bytes of data.64 bytes from 20.200.3.4: icmp_seq=1 ttl=62 time=1.78 ms64 bytes from 20.200.3.4: icmp_seq=2 ttl=62 time=0.971 ms64 bytes from 20.200.3.4: icmp_seq=3 ttl=62 time=1.01 ms64 bytes from 20.200.3.4: icmp_seq=4 ttl=62 time=1.06 ms
--- 20.200.3.4 ping statistics ---4 packets transmitted, 4 received, 0% packet loss, time 3004msrtt min/avg/max/mdev = 0.971/1.205/1.781/0.334 ms  -> Pinging multihoming-pod-2-7p68p (20.200.4.4) from multihoming-pod-3-2j9nw...PING 20.200.4.4 (20.200.4.4) 56(84) bytes of data.64 bytes from 20.200.4.4: icmp_seq=1 ttl=62 time=1.11 ms64 bytes from 20.200.4.4: icmp_seq=2 ttl=62 time=0.334 ms64 bytes from 20.200.4.4: icmp_seq=3 ttl=62 time=0.341 ms64 bytes from 20.200.4.4: icmp_seq=4 ttl=62 time=0.354 ms
--- 20.200.4.4 ping statistics ---4 packets transmitted, 4 received, 0% packet loss, time 3036msrtt min/avg/max/mdev = 0.334/0.535/1.114/0.333 ms