Exclude reserved addresses from /etc/hosts Drake entries
Summary:
Only include relevant active or deprecated IP addresses.
This is a follow-up for 940efbf37074.
Ref T1767
Test Plan: ./utils/netbox/build-etc-hosts-drake.py
Reviewers: dereckson
Reviewed By: dereckson
Maniphest Tasks: T1767
Differential Revision: https://devcentral.nasqueron.org/D3382