Automatic merge from submit-queue (batch tested with PRs 55265, 54092, 55353, 53733, 55385). 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>.

Rearrange kubelet networking codes

**What this PR does / why we need it**:
kubelet package contains multiple `*network.go` files, also some of the networking related codes scatter in different places. This PR rearranges the networking codes into `kubelet_network.go`. There is no functional changes.

**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes #55451 

**Special notes for your reviewer**:

**Release note**:

```release-note
NONE
```