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
```
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