0.17.1

Fixed

• A switch-to-switch cable that both LibreNMS (LLDP) and the UniFi
  controller report drew twice when the controller stored the operator's
  port label where SNMP reported the ifName. The normalizer now also
  matches unifi links to lldp links by device pair, keeping genuine
  parallel cables (#56, Sam). The pair pass runs after the weaker-source
  passes, so a retired unifi row still claims its port against MAC-table
  inference and ghost switches.