py-impacket pkg download error

tl;dr version:

So I haven't been able to update my packages in a while because they get 
stuck trying to update py-impacket. Specifically, py39-impacket-0.11.0.pkg

FreeBSD 13.2-RELEASE-p3

I've tried specifying specific pkg mirrors to no avail (including the 
one that the pkg maintainer says should work)... they always fail once 
they get to py-impacket:

Code:

Fetching py39-impacket-0.11.0.pkg:  98%    2 MiB   0.0kB/s  - stalled -
pkg: cached package py39-impacket-0.11.0: missing or size mismatch, 
fetching from remote
pkg: An error occured while fetching package


Sometime it even gets to 99% but it always fails the same way.

Long version (with transcripts of things tried so far):
https://forums.freebsd.org/threads/py-impacket-pkg-download-error.90543/

I'm happy to move the help discussion here, or if you'd like to pick up 
where we left off at the forums and respond there, that's fine too (And 
perhaps easier to follow). But I'm happy to meet you wherever, whomever 
is willing to help. Thanks.