# Pastebin I31X0iqg
May 29 Sun 5:28 ~ % uname -a
Linux guix 5.17.11-gnu #1 SMP PREEMPT 1 x86_64 GNU/Linux
May 29 Sun 5:28 ~ % ssh -p 10022 root@localhost uname -a
GNU childhurd 0.9 GNU-Mach 1.8/Hurd-0.9 i686-AT386 GNU
May 29 Sun 5:29 ~ % sudo ssh -p 10022 root@localhost uname -a
GNU childhurd 0.9 GNU-Mach 1.8/Hurd-0.9 i686-AT386 GNU
May 29 Sun 5:29 ~ % less /etc/guix/machines.scm
    1 (list
    2   (build-machine
    3     (name "localhost")
    4     (port 10022)
    5     (user "root")
    6     (systems (list "i586-gnu"))
    7     (host-key "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIOi1d+plpljc/OJIomYYOLE3FP6At/j6gOKJVrdWAd5h root@(none)")))
May 29 Sun 5:29 ~ % sudo guix offload test
guix offload: testing 1 build machines defined in '/etc/guix/machines.scm'...
guix offload: error: SSH public key authentication failed for 'localhost': Access denied for 'publickey'. Authentication that can continue: publickey,password
May 29 Sun 5:29 ~ %