Now the problems after reboot (and after having fixed the WLAN issues):
root@dom0 ~]# qubes-dist-upgrade --releasever=4.3 --all-post-reboot
INFO: Please wait while running pre-checks...
WARNING: /!\ MAKE SURE YOU HAVE MADE A BACKUP OF ALL YOUR VMs AND dom0
DATA /!\
-> Launch upgrade process? [y/N] y
---> (STAGE 4) Upgrade templates and standalone VMs to R4.3 repository...
----> Upgrading debian-13-xfce...
+ [[ 0 -ne 0 ]]
+ enable_current_testing=
+ '[' '' = --enable-current-testing ']'
+ '[' -e /etc/fedora-release ']'
+ '[' -e /etc/debian_version ']'
++ awk -F. '{print $1}' /etc/debian_version
+ releasever=13
+ '[' 13 -lt 12 ']'
+ cp /etc/apt/sources.list.d/qubes-r4.list
/etc/apt/sources.list.d/qubes-r4.list.bak
+ sed -i s/r4.2/r4.3/g /etc/apt/sources.list.d/qubes-r4.list
+ sed -i 's/\[arch=amd64\( signed-by=.*\)\?\]/[arch=amd64\
signed-by=\/usr\/share\/keyrings\/qubes-archive-keyring-4.3.gpg]/g'
/etc/apt/sources.list.d/qubes-r4.list
+ export DEBIAN_FRONTEND=noninteractive
+ DEBIAN_FRONTEND=noninteractive
+ '[' '' ']'
+ apt-get clean
+ apt-get update -o Dpkg::Options::=--force-confdef
Ign:1
https://deb.debian.org/debian trixie InRelease
Ign:2
https://deb.debian.org/debian-security trixie-security InRelease
Get:3
https://deb.qubes-os.org/r4.3/vm trixie InRelease [4,735 B]
Get:4
https://deb.qubes-os.org/r4.3/vm trixie/main amd64 Packages [38.6 kB]
Ign:2
https://deb.debian.org/debian-security trixie-security InRelease
Ign:1
https://deb.debian.org/debian trixie InRelease
Ign:1
https://deb.debian.org/debian trixie InRelease
Ign:2
https://deb.debian.org/debian-security trixie-security InRelease
Err:2
https://deb.debian.org/debian-security trixie-security InRelease
SSL connection failed: error:0A000126:SSL routines::unexpected eof
while reading / Success [IP: 127.0.0.1 8082]
Err:1
https://deb.debian.org/debian trixie InRelease
SSL connection failed: error:0A000126:SSL routines::unexpected eof
while reading / Success [IP: 127.0.0.1 8082]
Fetched 43.4 kB in 8s (5,531 B/s)
Reading package lists...
E: Failed to fetch
https://deb.debian.org/debian/dists/trixie/InRelease
SSL connection failed: error:0A000126:SSL routines::unexpected eof while
reading / Success [IP: 127.0.0.1 8082]
E: Failed to fetch
https://deb.debian.org/debian-security/dists/trixie-security/InRelease
SSL connection failed: error:0A000126:SSL routines::unexpected eof while
reading / Success [IP: 127.0.0.1 8082]
E: Some index files failed to download. They have been ignored, or old
ones used instead.
ERROR: A general error occurred while upgrading debian-13-xfce (exit
code 100).
-> Continue? [y/N]
REVERTING template to pre-ugrade state
[root@dom0 ~]#
A similar problem occurs for Fedora.