release-20.2:Backport!4197

Merged Andrey Vertiprahov requested to merge cherry-pick-3c75903b into release-20.2

Add ifdescr to ReporDiscoveryResult.

See merge request !4197 (merged)

(cherry picked from commit 3c75903b)

bfb20492 Add ifdescr to ReporDiscoveryResult.

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