Public bug reported:
When trying to connect with forticlient to an SSL-VPN, the connection will fail
with "Config DNS failed"
Then i was searching in logs of forticlient and found:
20241127 07:07:55.291 TZ=+0100 [sslvpn:EROR] nmtools:255 Command to set
ipv4.ignore-auto-routes returned with status 256.
20241127 07:07:55.291 TZ=+0100 [sslvpn:EROR] nmtools:1060 Failed to modify
connection mpqemubr0 property ipv4.ignore-auto-routes
20241127 07:07:55.291 TZ=+0100 [sslvpn:EROR] dns:1007 Failed to finish Network
Manager configuration
20241127 07:07:55.291 TZ=+0100 [sslvpn:EROR] vpn_connection:2071 Config DNS
failed
Next i was searching what this means.
So i tried to reproduce this - without forticlient.
And i can reproduce:
nmcli con show | grep mpqemubr0
mpqemubr0 afb3b269-839b-4ce1-9078-e8ad740b784e bridge mpqemubr0
nmcli con show afb3b269-839b-4ce1-9078-e8ad740b784e | grep
ipv4.ignore-auto-routes
ipv4.ignore-auto-routes: no
nmcli con modify afb3b269-839b-4ce1-9078-e8ad740b784e ipv4.ignore-auto-routes
yes
Error: Failed to modify connection 'mpqemubr0': Message recipient
disconnected from message bus without replying
setting logging for NetworkManager to trace for all domains i see this:
Nov 29 09:57:10 myhost NetworkManager[98631]: <trace> [1732870630.7383] auth:
call[4]: completed: authorized=1, challenge=0
Nov 29 09:57:10 myhost NetworkManager[98631]: <debug> [1732870630.7385] audit:
socket created
Nov 29 09:57:10 myhost NetworkManager[98631]: <debug> [1732870630.7385] create
NMAuditManager singleton (7794fbd712da6ac4)
Nov 29 09:57:10 myhost NetworkManager[98631]: <trace> [1732870630.7386]
settings: add-connection: failed to add
afb3b269-839b-4ce1-9078-e8ad740b784e/'mpqemubr0': settings plugin does not
support adding connections
Nov 29 09:57:10 myhost generate[99193]: nm-device:
NM-2a2a93e2-e395-4291-8c71-b4c90d5b8211: the renderer for nm-devices must be
NetworkManager, it will be used instead of the defined one.
Nov 29 09:57:10 myhost generate[99193]: nm-device:
NM-649ca4e6-0058-4ca4-8b13-b2b386326d64: the renderer for nm-devices must be
NetworkManager, it will be used instead of the defined one.
Nov 29 09:57:10 myhost generate[99193]: nm-device:
NM-9fe9febf-03de-4534-b27d-e4f309760a10: the renderer for nm-devices must be
NetworkManager, it will be used instead of the defined one.
Nov 29 09:57:11 myhost NetworkManager[98631]: <trace> [1732870631.8468]
keyfile: commit: afb3b269-839b-4ce1-9078-e8ad740b784e (mpqemubr0) added as
"/run/NetworkManager/system-connections/netplan-mpqemubr0.nmconnection"
Nov 29 09:57:11 myhost NetworkManager[98631]: **
Nov 29 09:57:11 myhost NetworkManager[98631]:
nm:ERROR:src/core/settings/nm-settings-utils.c:103:<unknown-fcn>: assertion
failed: (<dropped>)
Nov 29 09:57:11 myhost NetworkManager[98631]: Bail out!
nm:ERROR:src/core/settings/nm-settings-utils.c:103:<unknown-fcn>: assertion
failed: (<dropped>)
Nov 29 09:57:12 myhost systemd[1]: NetworkManager.service: Main process exited,
code=dumped, status=6/ABRT
Nov 29 09:57:12 myhost systemd[1]: NetworkManager.service: Failed with result
'core-dump'.
Nov 29 09:57:12 myhost systemd[1]: NetworkManager.service: Scheduled restart
job, restart counter is at 2.
Nov 29 09:57:12 myhost systemd[1]: Starting NetworkManager.service - Network
Manager...
The interface mpqemubr0 is coming from multipass 1.14.1
1) The release of Ubuntu you are using, via 'lsb_release -rd' or System
-> About Ubuntu
Description: Ubuntu 24.04.1 LTS
Release: 24.04
2) The version of the package you are using, via 'apt-cache policy
pkgname' or by checking in Software Center
network-manager: 1.46.0-1ubuntu2
nmcli tool : 1.46.0
3) What you expected to happen
- nmcli-action is working
- NetweokManager is not crashing/dumping with "NetworkManager.service: Main
process exited, code=dumped, status=6/ABRT" and then restarting
- VPN cennection is working
4) What happened instead
- wanted nmcli action is not working
- VPN is not working
ProblemType: Bug
DistroRelease: Ubuntu 24.04
Package: network-manager 1.46.0-1ubuntu2
ProcVersionSignature: Ubuntu 6.8.0-49.49-generic 6.8.12
Uname: Linux 6.8.0-49-generic x86_64
NonfreeKernelModules: zfs
ApportVersion: 2.28.1-0ubuntu3.1
Architecture: amd64
CasperMD5CheckResult: pass
Date: Fri Nov 29 14:37:40 2024
ExecutablePath: /usr/sbin/NetworkManager
InstallationDate: Installed on 2024-10-13 (47 days ago)
InstallationMedia: Ubuntu 24.04.1 LTS "Noble Numbat" - Release amd64
(20240827.1)
NetworkManager.state:
[main]
NetworkingEnabled=true
WirelessEnabled=true
WWANEnabled=true
ProcEnviron:
LANG=en_US.UTF-8
PATH=(custom, no user)
SourcePackage: network-manager
UpgradeStatus: No upgrade log present (probably fresh install)
nmcli-nm:
RUNNING VERSION STATE STARTUP CONNECTIVITY NETWORKING WIFI-HW WIFI
WWAN-HW WWAN
running 1.46.0 connected started full enabled missing
enabled missing enabled
** Affects: network-manager (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug noble
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https://bugs.launchpad.net/bugs/2089930
Title:
NetworManager crashes when modifing connection (ipv4.ignore-auto-
routes yes)
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