Public bug reported:
After establishing a connection to a IKEv2 VPN (strongswan based server)
using the Network Manager the user machine can't do network traffic and
the client system logs:
ago 09 08:30:59 vmubuntu2404 kernel: nm-xfrm-1839711: Local routing loop
detected!
ago 09 08:30:59 vmubuntu2404 kernel: nm-xfrm-1839711: Local routing loop
detected!
ago 09 08:30:59 vmubuntu2404 kernel: nm-xfrm-1839711: Local routing loop
detected!
ago 09 08:30:59 vmubuntu2404 kernel: nm-xfrm-1839711: Local routing loop
detected!
ago 09 08:30:59 vmubuntu2404 kernel: nm-xfrm-1839711: Local routing loop
detected!
ago 09 08:30:59 vmubuntu2404 kernel: nm-xfrm-1839711: Local routing loop
detected!
ProblemType: Bug
DistroRelease: Ubuntu 24.04
Package: network-manager-strongswan 1.6.0-3build2
ProcVersionSignature: Ubuntu 6.8.0-40.40-generic 6.8.12
Uname: Linux 6.8.0-40-generic x86_64
ApportVersion: 2.28.1-0ubuntu2
Architecture: amd64
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
Date: Fri Aug 9 08:46:45 2024
InstallationDate: Installed on 2024-07-26 (14 days ago)
InstallationMedia: Ubuntu 24.04 LTS "Noble Numbat" - Release amd64 (20240424)
ProcEnviron:
LANG=pt_BR.UTF-8
PATH=(custom, no user)
SHELL=/bin/bash
TERM=xterm-256color
XDG_RUNTIME_DIR=<set>
SourcePackage: network-manager-strongswan
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: network-manager-strongswan (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug noble wayland-session
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https://bugs.launchpad.net/bugs/2076421
Title:
IKev2 VPN generates a local routing loop
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