Merge pull request #59075 from jrperritt/octavia-flip-fix

Automatic merge from submit-queue. If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.

cloudprovider/openstack: fix bug that tries to use octavia client to query flip

**What this PR does / why we need it**:

This fixes a bug that [potentially] tries to use an Octavia client to query a floating ip. Neutron should always handle those.

**Release note**:

```release-note
cloudprovider/openstack: fix bug the tries to use octavia client to query flip
```

Author: Kubernetes Submit Queue

pkg/cloudprovider/providers/openstack/openstack_loadbalancer.go

@@ -922,7 +922,7 @@ func (lbaas *LbaasV2) EnsureLoadBalancer(clusterName string, apiService *v1.Serv
 	}
 
 	portID := loadbalancer.VipPortID
-	floatIP, err := getFloatingIPByPortID(lbaas.lb, portID)
+	floatIP, err := getFloatingIPByPortID(lbaas.network, portID)
 	if err != nil && err != ErrNotFound {
 		return nil, fmt.Errorf("error getting floating ip for port %s: %v", portID, err)
 	}