release-20.1:Backport!3595

Merged Andrey Vertiprahov requested to merge cherry-pick-8e20f4b6 into release-20.1

Huawei.MA5600T. Add get_lldp_neighbors script.

See merge request !3595 (merged)

(cherry picked from commit 8e20f4b6)

ddfbd1ef Huawei.MA5600T. Add get_lldp_neighbors script. 82c96ea6 Fix flake.

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