release-19.3:Backport!2801

Merged Andrey Vertiprahov requested to merge cherry-pick-1bb2a7f1 into release-19.3

Huawei.VRP.get_version. Fix CX600 detect version.

See merge request !2801 (merged)

(cherry picked from commit 1bb2a7f1)

813861f6 Huawei.VRP.get_version. Fix CX600 detect version.

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