Latency during CN

[Mingonashoba-cenarion-circle (Mingonashoba)]

Seems to be an ongoing issue with instances and raids:
https://us.forums.blizzard.com/en/wow/t/main-thread-castle-nathria-lag/827726
https://us.forums.blizzard.com/en/wow/t/using-winmtr-to-troubleshoot-lag-issues-inside-sl-dungeonsraids/868417