[release-4.11] The last egressIP in IP capacity cannot be applied correctly

The last egressIP in IP capacity cannot be applied correctly

4.11.0-0.nightly-2022-11-27-164248 

Found this failure in automation case which used to pass

In AWS, one worker node is with IP capacity "ipv4:14"
 $oc describe node ip-10-0-129-21.us-west-2.compute.internal | egrep -C 3 egress
Annotations:        cloud.network.openshift.io/egress-ipconfig:
                      [{"interface":"eni-03820ba0eca427fbf","ifaddr":{"ipv4":"10.0.128.0/18"},"capacity":{"ipv4":14,"ipv6":15}}]
                    csi.volume.kubernetes.io/nodeid: {"ebs.csi.aws.com":"i-0cb3ae15bf3cffd9f"}
                    k8s.ovn.org/host-addresses: ["10.0.129.21"]

 13 egressIPs applied correctly , last one is in wrong status.
% oc get egressip
NAME                EGRESSIPS      ASSIGNED NODE                               ASSIGNED EGRESSIPS
egressip-47208-0    10.0.135.200   ip-10-0-129-21.us-west-2.compute.internal   10.0.135.200
egressip-47208-1    10.0.162.178   ip-10-0-129-21.us-west-2.compute.internal   10.0.162.178
egressip-47208-10   10.0.144.46    ip-10-0-129-21.us-west-2.compute.internal   10.0.144.46
egressip-47208-11   10.0.191.91    ip-10-0-129-21.us-west-2.compute.internal   10.0.191.91
egressip-47208-12   10.0.133.215   ip-10-0-129-21.us-west-2.compute.internal   10.0.133.215
egressip-47208-13   10.0.174.207   ip-10-0-129-21.us-west-2.compute.internal   10.0.174.207
egressip-47208-14   10.0.176.224   ip-10-0-129-21.us-west-2.compute.internal   10.0.176.224
egressip-47208-2    10.0.184.114   ip-10-0-129-21.us-west-2.compute.internal   10.0.184.114
egressip-47208-3    10.0.167.224   ip-10-0-129-21.us-west-2.compute.internal   10.0.167.224
egressip-47208-4    10.0.187.148   ip-10-0-129-21.us-west-2.compute.internal   10.0.187.148
egressip-47208-5    10.0.184.109   ip-10-0-129-21.us-west-2.compute.internal   10.0.184.109
egressip-47208-6    10.0.155.208                                               
egressip-47208-7    10.0.134.13    ip-10-0-129-21.us-west-2.compute.internal   10.0.134.13
egressip-47208-8    10.0.142.255   ip-10-0-129-21.us-west-2.compute.internal   10.0.142.255
egressip-47208-9    10.0.170.197

% oc get cloudprivateipconfig
NAME           AGE
10.0.133.215   113s
10.0.134.13    113s
10.0.135.200   113s
10.0.142.255   113s
10.0.144.46    113s
10.0.155.208   113s
10.0.162.178   113s
10.0.167.224   113s
10.0.174.207   113s
10.0.176.224   113s
10.0.184.109   113s
10.0.184.114   113s
10.0.187.148   113s
10.0.191.91    113s

 oc get cloudprivateipconfig 10.0.155.208  -o yaml
apiVersion: cloud.network.openshift.io/v1
kind: CloudPrivateIPConfig
metadata:
  annotations:
    k8s.ovn.org/egressip-owner-ref: egressip-47208-6
  creationTimestamp: "2022-11-28T09:13:47Z"
  finalizers:
  - cloudprivateipconfig.cloud.network.openshift.io/finalizer
  generation: 1
  name: 10.0.155.208
  resourceVersion: "72869"
  uid: 0143a07b-0a30-4de8-bfd7-589ed0c3d7dc
spec:
  node: ip-10-0-129-21.us-west-2.compute.internal
status:
  conditions:
  - lastTransitionTime: "2022-11-28T09:16:51Z"
    message: 'Error processing cloud assignment request, err: <nil>'
    observedGeneration: 1
    reason: CloudResponseError
    status: "False"
    type: Assigned
  node: ip-10-0-129-21.us-west-2.compute.internal

As IP capacity for this node is 14, so here should have 14 egress IP applied successfully. No cloudprivateipconfig IP in error status.