release-22.1:Backport!6334

Merged Andrey Vertiprahov requested to merge cherry-pick-28620cc8 into release-22.1

Huawei.MA5600T.get_metrics. Fix labels format.

See merge request !6334 (merged)

(cherry picked from commit 28620cc8)

e5d1ff10 Huawei.MA5600T.get_metrics. Fix labels format.

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