Fixes the Hyper-V agent individual ports metrics

Replaces aggregated metric values with separated values for each port.

Co-Authored-By: Adrian Vladu <avladu@cloudbasesolutions.com>
Change-Id: Ie946dff984ef53f014c6c57f8d1d5bb9c6e7596d
Closes-Bug: #1289007
Merge "Fixes the Hyper-V agent individual ports metrics"