install/57864: Install first tries to load from cdn.netbsd.org using ipv6

[sk757a%outlook.com@localhost]

>Number:         57864
>Category:       install
>Synopsis:       Install first tries to load from cdn.netbsd.org using ipv6
>Confidential:   no
>Severity:       non-critical
>Priority:       medium
>Responsible:    install-manager
>State:          open
>Class:          support
>Submitter-Id:   net
>Arrival-Date:   Thu Jan 18 03:45:00 +0000 2024
>Originator:     Sergey Kuznetsov
>Release:        10.0_rc3
>Organization:
>Environment:
>Description:
Install gives priority to ipv6 addresses and this leads to long waits and messages Can't connect to [2a04:4e42:...]:80 Operation timed out. Sometimes many times in a row.
My provider does not support ipv6, but ipv6 works on the local network.
>How-To-Repeat:

>Fix: