[receiver/kubeletstats] fix use network io as network errors bug

[tianlin]

Description: <Describe what has changed.>

fix bug: internal/network.go use network io as network errors Link to tracking Issue: <Issue number if applicable> https://github.com/open-telemetry/opentelemetry-collector-contrib/issues/14318 Testing: <Describe what testing was performed and which tests were added.> UT Documentation: <Describe the documentation added.>

[linux-foundation-easycla[bot]]

The committers listed above are authorized under a signed CLA.

• :white_check_mark: login: tianlin (59eb9e2c0df21f7a6739a26585332bcd3190462e)

[dmitryax]

@tianlin please sign the CLA.

This change is applied to kubelet reciever, but the issue is submitted for hostmetrics receiver. Please update the PR or crete another relevant issue

[tianlin]

@tianlin please sign the CLA.

This change is applied to kubelet reciever, but the issue is submitted for hostmetrics receiver. Please update the PR or crete another relevant issue

Done

[dmitryax]

Please address the ask in the second paragraph

[tianlin]

Please address the ask in the second paragraph

Do you mean add changelog file under unrelease dir?

[github-actions[bot]]

This PR was marked stale due to lack of activity. It will be closed in 14 days.

[tianlin]

Please address the ask in the second paragraph

This PR was marked stale due to lack of activity. It will be closed in 14 days.

@dmitryax , can you review this PR please?

[dmitryax]

I was able to reproduce the bug and validate the fix. Thank you @tianlin!