Filter out sockets for loopback and unknown interfaces (Backport 1.5)

[msherif1234]

Signed-off-by: Mohamed Mahmoud mmahmoud@redhat.com (cherry picked from commit 9596d79fc35b851b5f83ac0946be691dcc14324f)

Description

filter out noisy flows for lo interface when enable RTT or pkt drop

Dependencies

n/a

Checklist

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• QE requirements (check 1 from the list):
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[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Comparison is base (726bdb7) 33.65% compared to head (5d47cc9) 33.65%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## release-1.5 #261 +/- ## ============================================ Coverage 33.65% 33.65% ============================================ Files 40 40 Lines 3542 3542 ============================================ Hits 1192 1192 Misses 2281 2281 Partials 69 69 ``` | [Flag](https://app.codecov.io/gh/netobserv/netobserv-ebpf-agent/pull/261/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=netobserv) | Coverage Δ | | |---|---|---| | [unittests](https://app.codecov.io/gh/netobserv/netobserv-ebpf-agent/pull/261/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=netobserv) | `33.65% <ø> (ø)` | | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=netobserv#carryforward-flags-in-the-pull-request-comment) to find out more.

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[msherif1234]

/ok-to-test

[github-actions[bot]]

New image: quay.io/netobserv/netobserv-ebpf-agent:4dde2f0

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To deploy this build, run from the operator repo, assuming the operator is running:

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[jotak]

/lgtm

[msherif1234]

/approve

[openshift-ci[bot]]

[APPROVALNOTIFIER] This PR is APPROVED

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