[Pkg-utopia-maintainers] Bug#1125800: network-manager: Disabling IPv4 manually causes n-m to disconnect after few seconds from IPv6

[Witold Baryluk]

Package: network-manager
Version: 1.54.3-1+b1
Followup-For: Bug #1125800
X-Debbugs-Cc: witold.baryluk at gmail.com


Logs


Jan 18 06:56:37 debian NetworkManager[3655341]: <info>  [1768719397.6242] device (enp65s0f0np0): Activation: starting connection 'Wired connection 1' (f662d320-87ec-3fcf-8c29-17814411099a)
Jan 18 06:56:37 debian NetworkManager[3655341]: <info>  [1768719397.6243] audit: op="connection-activate" uuid="f662d320-87ec-3fcf-8c29-17814411099a" name="Wired connection 1" pid=3426594 uid=1000 result="success"
Jan 18 06:56:37 debian NetworkManager[3655341]: <info>  [1768719397.6244] device (enp65s0f0np0): state change: disconnected -> prepare (reason 'none', managed-type: 'full')
Jan 18 06:56:37 debian NetworkManager[3655341]: <info>  [1768719397.6246] manager: NetworkManager state is now CONNECTING
Jan 18 06:56:37 debian NetworkManager[3655341]: <info>  [1768719397.6247] device (enp65s0f0np0): state change: prepare -> config (reason 'none', managed-type: 'full')
Jan 18 06:56:37 debian NetworkManager[3655341]: <info>  [1768719397.6251] device (enp65s0f0np0): state change: config -> ip-config (reason 'none', managed-type: 'full')
Jan 18 06:56:39 debian NetworkManager[3655341]: <info>  [1768719399.5878] dhcp6 (enp65s0f0np0): activation: beginning transaction (timeout in 45 seconds)
Jan 18 06:56:39 debian NetworkManager[3655341]: <info>  [1768719399.5888] policy: set 'Wired connection 1' (enp65s0f0np0) as default for IPv6 routing and DNS
Jan 18 06:57:25 debian NetworkManager[3655341]: <info>  [1768719445.3103] device (enp65s0f0np0): state change: ip-config -> failed (reason 'ip-config-unavailable', managed-type: 'full')
Jan 18 06:57:25 debian NetworkManager[3655341]: <info>  [1768719445.3106] manager: NetworkManager state is now CONNECTED_LOCAL
Jan 18 06:57:25 debian NetworkManager[3655341]: <warn>  [1768719445.3108] device (enp65s0f0np0): Activation: failed for connection 'Wired connection 1'
Jan 18 06:57:25 debian NetworkManager[3655341]: <info>  [1768719445.3110] device (enp65s0f0np0): state change: failed -> disconnected (reason 'none', managed-type: 'full')
Jan 18 06:57:25 debian NetworkManager[3655341]: <info>  [1768719445.3125] dhcp6 (enp65s0f0np0): canceled DHCP transaction
Jan 18 06:57:25 debian NetworkManager[3655341]: <info>  [1768719445.3126] dhcp6 (enp65s0f0np0): activation: beginning transaction (timeout in 45 seconds)
Jan 18 06:57:25 debian NetworkManager[3655341]: <info>  [1768719445.3126] dhcp6 (enp65s0f0np0): state changed no lease


-- System Information:
Debian Release: forky/sid
  APT prefers testing-debug
  APT policy: (500, 'testing-debug'), (500, 'unstable')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 6.19.0-rc1 (SMP w/32 CPU threads; PREEMPT)
Kernel taint flags: TAINT_CPU_OUT_OF_SPEC, TAINT_UNSIGNED_MODULE
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE not set
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages network-manager depends on:
ii  adduser                         3.153
ii  dbus [default-dbus-system-bus]  1.16.2-2
ii  libaudit1                       1:4.1.2-1+b1
ii  libbluetooth3                   5.84-1
ii  libc6                           2.42-7
ii  libcurl3t64-gnutls              8.18.0~rc2-1
ii  libglib2.0-0t64                 2.86.3-1
ii  libgnutls30t64                  3.8.11-3
ii  libjansson4                     2.14-2+b4
ii  libmm-glib0                     1.24.2-2
ii  libndp0                         1.9-1+b1
ii  libnewt0.52                     0.52.25-1+b1
ii  libnm0                          1.54.3-1+b1
ii  libpsl5t64                      0.21.2-1.1+b1
ii  libreadline8t64                 8.3-3
ii  libselinux1                     3.9-4+b1
ii  libsystemd0                     259-1
ii  libteamdctl0                    1.31-1+b3
ii  libudev1                        259-1

Versions of packages network-manager recommends:
ii  dnsmasq-base [dnsmasq-base]  2.92~rc3-1
ii  libpam-systemd               259-1
ii  modemmanager                 1.24.2-2
ii  network-manager-l10n         1.54.3-1
ii  polkitd                      127-1
ii  ppp                          2.5.2-1+1.1
ii  udev                         259-1
ii  wireless-regdb               2025.10.07-1
ii  wpasupplicant                2:2.10-25

Versions of packages network-manager suggests:
ii  iptables       1.8.11-4
ii  libteam-utils  1.31-1+b3

Versions of packages network-manager is related to:
pn  isc-dhcp-client  <none>

-- no debconf information