bin/57003: ftp can't handle HTTP redirections?

[yeti%digitalfoto-model-award.de@localhost]

>Number:         57003
>Category:       bin
>Synopsis:       ftp can't handle HTTP redirections?
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    bin-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Sat Sep 10 21:00:00 +0000 2022
>Originator:     yeti
>Release:        9.99.9x
>Organization:
I don't bite ? I just want to play!
>Environment:
NetBSD netbsdX-i386 9.99.99 NetBSD 9.99.99 (GENERIC) #0: Tue Aug 30 10:48:31 UTC 2022  mkrepro%mkrepro.NetBSD.org@localhost:/usr/src/sys/arch/i386/compile/GENERIC i386

NetBSD netbsdX-amd64 9.99.98 NetBSD 9.99.98 (GENERIC) #0: Sun Jul 17 15:37:10 UTC 2022  mkrepro%mkrepro.NetBSD.org@localhost:/usr/src/sys/arch/amd64/compile/GENERIC amd64

>Description:
ftp can't handle HTTP redirections?

I stumbled into this because sysupgrade failed yesterday on i386 and amd64.

>How-To-Repeat:
netbsdX-i386# sysupgrade clean
sysupgrade: I: Cleaning downloaded files
netbsdX-i386# sysupgrade fetch 
sysupgrade: I: Downloading https://nycdn.netbsd.org/pub/NetBSD-daily/HEAD/latest/i386/binary/sets/base.tgz into /var/cache/sysupgrade
Trying [2a04:4e42:3::262]:443 ...
Requesting https://nycdn.netbsd.org/pub/NetBSD-daily/HEAD/latest/i386/binary/sets/base.tgz
Redirected to /pub/NetBSD-daily/HEAD/202209082050Z/i386/binary/sets/base.tgz
ftp: Can't lookup `/pub/NetBSD-daily/HEAD/202209082050Z/i386/binary/sets/base.tgz:ftp': No address associated with hostname
ftp: Can't connect or login to host `/pub/NetBSD-daily/HEAD/202209082050Z/i386/binary/sets/base.tgz:?'
sysupgrade: E: Failed to fetch https://nycdn.netbsd.org/pub/NetBSD-daily/HEAD/latest/i386/binary/sets/base.tgz

>Fix: