Kubeadm: Enable br_filter & ip_forward for Debian packages

[rosti]

With the merger of kubernetes/kubernetes#68624 RPMs and DEB packages deviated a little in that br_filter module is loaded and IP forwarding is enabled upon system startup. The same functionality needs to be replicated in DEB packages too. If this is not done, DEBs will still suffer from #1062 .

/area UX
/area ecosystem
/kind bug
/good-first-issue

[k8s-ci-robot]

@rosti:
This request has been marked as suitable for new contributors.

Please ensure the request meets the requirements listed here.

If this request no longer meets these requirements, the label can be removed
by commenting with the /remove-good-first-issue command.

In response to this:

With the merger of kubernetes/kubernetes#68624 RPMs and DEB packages deviated a little in that br_filter module is loaded and IP forwarding is enabled upon system startup. The same functionality needs to be replicated in DEB packages too. If this is not done, DEBs will still suffer from #1062 .

/area UX
/area ecosystem
/kind bug
/good-first-issue

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.

[ashwanikhemani]

I would like to work on this issue.

[neolit123]

@ashwanikhemani

please go ahead, and make sure you post a message in the #sig-cluster-lifecycle slack channel, once your PR is ready.

thanks
/lifecycle active

[dczombera]

@ashwanikhemani Are you still working on it?
If not, I'd like to take over. :)

[ashwanikhemani]

I have done the changes, would be raising a PR.

[stevemcquaid]

/close

[k8s-ci-robot]

@stevemcquaid: Closing this issue.

In response to this:

/close

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.