Automatic merge from submit-queue (batch tested with PRs 50029, 48517, 49739, 49866, 49782)

iptables_test should not run on OSX or Windows

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

Fix for failing tests. Let's just skip these on darwin and windows
platforms as iptables is not available on these.

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

Fixes #48509

**Special notes for your reviewer**:

**Release note**:

```release-note
NONE
```