Strange behaviour with guard node

[gus]

@springonion

My understanding is guard nodes should not change for at least a set period of time.
But I have seen a different guard node in new tab, also guard changes in original tab when ask for new circuit. It seems to switch between same 2 guards.

Yes, we changed this parameter last week, see Roger’s email to tor-relays:

[tor-relays] We're trying out guard-n-primary-guards-to-use=2

Hi folks, As part of the hackweek projects ( The Tor Project / Community / Hackweek · GitLab ), some of us are thinking about simple tweaks we can do to tune the network to better handle this month's traffic overload. The long term answer is to try out proposal 327: https://gitweb.torproject.org/torspec.git/tree/proposals/327-pow-over-intro.txt because we think a lot of the overload has to do with people sending way too many intro cells to some onion services, and giving the onion servi…