Automatic merge from submit-queue (batch tested with PRs 55009, 55532, 55601, 52569, 55533). 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>.

Fix ipvs/proxy getLocalIPs inconsistency with iptables/proxy

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

* Fix ipvs/proxy `getLocalIPs()` inconsistency with iptables/proxy

* validate the ip address before pkg/proxy/util IPPart() return ip string.

**Which issue(s) this PR fixes** :
Fixes #55612

**Special notes for your reviewer**:

**Release note**:

```release-note
NONE
```