The issue was found during testing PR pre-merge  testing CNCC PR184 (which is for aws fix capacity issue), create this to track for gcp isue. 

    

Always
    

    1. Build gcp cluster, check the node ip capacity,  label one node as egress node.
{code:java}
Annotations:        cloud.network.openshift.io/egress-ipconfig: [{"interface":"nic0","ifaddr":{"ipv4":"10.0.128.0/17"},"capacity":{"ip":100}}]

bash-3.2$ oc get cloudprivateipconfigs -ocustom-columns=NAME:.metadata.name,NODE:.spec.node,STATE:.status.conditions[].reason | grep CloudResponseSuccess | wc -l
     100
bash-3.2$ oc get cloudprivateipconfigs -ocustom-columns=NAME:.metadata.name,NODE:.spec.node,STATE:.status.conditions[].reason | grep CloudResponseError
bash-3.2$ oc get cloudprivateipconfigs -ocustom-columns=NAME:.metadata.name,NODE:.spec.node,STATE:.status.conditions[].reason | grep CloudResponseError | wc -l
       0

bash-3.2$ oc get cloudprivateipconfigs -ocustom-columns=NAME:.metadata.name,NODE:.spec.node,STATE:.status.conditions[].reason | grep CloudResponseError | wc -l
       0
bash-3.2$ oc get cloudprivateipconfigs -ocustom-columns=NAME:.metadata.name,NODE:.spec.node,STATE:.status.conditions[].reason | grep CloudResponseSuccess | wc -l
      79

I1023 08:08:54.929332       1 node_controller.go:152] Setting annotation: 'cloud.network.openshift.io/egress-ipconfig: [{"interface":"nic0","ifaddr":{"ipv4":"10.0.128.0/17"},"capacity":{"ip":100}}]' on node: huirwang-1023a-4nbtt-worker-c-wjwgh
I1023 08:25:57.952843       1 node_controller.go:152] Setting annotation: 'cloud.network.openshift.io/egress-ipconfig: [{"interface":"nic0","ifaddr":{"ipv4":"10.0.128.0/17"},"capacity":{"ip":100}}]' on node: huirwang-1023a-4nbtt-worker-c-wjwgh
I1023 08:25:58.236892       1 node_controller.go:152] Setting annotation: 'cloud.network.openshift.io/egress-ipconfig: [{"interface":"nic0","ifaddr":{"ipv4":"10.0.128.0/17"},"capacity":{"ip":100}}]' on node: huirwang-1023a-4nbtt-worker-c-wjwgh
I1023 08:25:58.462003       1 node_controller.go:152] Setting annotation: 'cloud.network.openshift.io/egress-ipconfig: [{"interface":"nic0","ifaddr":{"ipv4":"10.0.128.0/17"},"capacity":{"ip":100}}]' on node: huirwang-1023a-4nbtt-worker-c-wjwgh
I1023 08:27:52.928596       1 node_controller.go:152] Setting annotation: 'cloud.network.openshift.io/egress-ipconfig: [{"interface":"nic0","ifaddr":{"ipv4":"10.0.128.0/17"},"capacity":{"ip":92}}]' on node: huirwang-1023a-4nbtt-worker-c-wjwgh
I1023 08:27:53.157024       1 node_controller.go:152] Setting annotation: 'cloud.network.openshift.io/egress-ipconfig: [{"interface":"nic0","ifaddr":{"ipv4":"10.0.128.0/17"},"capacity":{"ip":92}}]' on node: huirwang-1023a-4nbtt-worker-c-wjwgh
I1023 08:27:54.240961       1 node_controller.go:152] Setting annotation: 'cloud.network.openshift.io/egress-ipconfig: [{"interface":"nic0","ifaddr":{"ipv4":"10.0.128.0/17"},"capacity":{"ip":92}}]' on node: huirwang-1023a-4nbtt-worker-c-wjwgh
I1023 08:27:54.423564       1 node_controller.go:152] Setting annotation: 'cloud.network.openshift.io/egress-ipconfig: [{"interface":"nic0","ifaddr":{"ipv4":"10.0.128.0/17"},"capacity":{"ip":92}}]' on node: huirwang-1023a-4nbtt-worker-c-wjwgh
I1023 08:28:10.449442       1 node_controller.go:152] Setting annotation: 'cloud.network.openshift.io/egress-ipconfig: [{"interface":"nic0","ifaddr":{"ipv4":"10.0.128.0/17"},"capacity":{"ip":93}}]' on node: huirwang-1023a-4nbtt-worker-c-wjwgh
I1023 08:28:14.303674       1 node_controller.go:152] Setting annotation: 'cloud.network.openshift.io/egress-ipconfig: [{"interface":"nic0","ifaddr":{"ipv4":"10.0.128.0/17"},"capacity":{"ip":100}}]' on node: huirwang-1023a-4nbtt-worker-c-wjwgh

    Actual results:{code:none}
Some EIPs are not assigned back correctly, and ip capacity changed

    

All the EIPs assigned back to the nodes correctly and IP capacity not changed.