Ubuntu
network-manager package

NetworkManager doesn't support bridge interface defined in /etc/network/interfaces

Bug #1013963 reported by Laurent Dinclaux on 2012-06-16

92

This bug affects 19 people

Affects		Status	Importance	Assigned to	Milestone
	network-manager (Ubuntu)	Confirmed	Undecided	Unassigned

Bug Description

Hello,

I need a network bridge for my virtualbox VMs on my desktop computer. If I create a br0 bridge in /etc/network/interfaces, it works but Network Manager applet doesn't see any active network connection, and as such I can't connect to VPN anymore.

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: network-manager-gnome 0.9.4.1-0ubuntu2
ProcVersionSignature: Ubuntu 3.2.0-25.40-generic 3.2.18
Uname: Linux 3.2.0-25-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.0.1-0ubuntu8
Architecture: amd64
CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 not found.
Date: Sat Jun 16 14:27:24 2012
EcryptfsInUse: Yes
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha amd64 (20120316)
NetworkManager.state:
[main]
NetworkingEnabled=true
WirelessEnabled=true
WWANEnabled=true
WimaxEnabled=true
ProcEnviron:
TERM=xterm
PATH=(custom, user)
LANG=fr_FR.UTF-8
SHELL=/bin/bash
RfKill:

SourcePackage: network-manager-applet
UpgradeStatus: No upgrade log present (probably fresh install)
nmcli-dev:
DEVICE TYPE STATE DBUS-PATH
eth1 802-3-ethernet unavailable /org/freedesktop/NetworkManager/Devices/1
eth0 802-3-ethernet connected /org/freedesktop/NetworkManager/Devices/0
nmcli-nm:
RUNNING VERSION STATE NET-ENABLED WIFI-HARDWARE WIFI WWAN-HARDWARE WWAN
running 0.9.4.0 connected enabled enabled enabled enabled disabled

Tags:

Revision history for this message

Laurent Dinclaux (dreadlox) wrote on 2012-06-16:

#1

Dependencies.txt Edit (5.8 KiB, text/plain; charset="utf-8")
IfupdownConfig.txt Edit (185 bytes, text/plain; charset="utf-8")
IpAddr.txt Edit (884 bytes, text/plain; charset="utf-8")
IpRoute.txt Edit (392 bytes, text/plain; charset="utf-8")
IwConfig.txt Edit (138 bytes, text/plain; charset="utf-8")
NetDevice.eth0.txt Edit (511 bytes, text/plain; charset="utf-8")
NetDevice.eth1.txt Edit (511 bytes, text/plain; charset="utf-8")
NetDevice.lo.txt Edit (206 bytes, text/plain; charset="utf-8")
NetDevice.virbr0.txt Edit (236 bytes, text/plain; charset="utf-8")
NetworkManager.conf.txt Edit (105 bytes, text/plain; charset="utf-8")
PciNetwork.txt Edit (1.5 KiB, text/plain; charset="utf-8")
WifiSyslog.txt Edit (1.5 MiB, text/plain; charset="utf-8")
nmcli-con.txt Edit (1.4 KiB, text/plain; charset="utf-8")

Revision history for this message

Launchpad Janitor (janitor) wrote on 2012-08-09:

#2

Status changed to 'Confirmed' because the bug affects multiple users.

Changed in network-manager-applet (Ubuntu):
status:	New → Confirmed

Thomas Hood (jdthood) on 2012-10-30

affects:	network-manager-applet (Ubuntu) → network-manager (Ubuntu)
summary:	- Network manager doesn't support bridge interface + NetworkManager doesn't support bridge interface defined in + /etc/network/interfaces

Revision history for this message

Klaus Bielke (k-bielke) wrote on 2013-01-25:

#3

I get this behavior when I use a bridge or an ordinary wired ethernet (eth0) for network connection iff this interface is not managed by NetworkManager but defined in /etc/network/interfaces.

Problem is (at least to my experience) that NetworkManager cannot open an VPN over a working connection that it does not manage itself.

Feature requests:
1. NetworkManager should search for and report properties of ALL network connections, even these not managed by itself. Working connections not managed by NetworkManager should marked like 'not managed by NM'.

2. NetworkManager should be able to use every working connection as basis for a VPN.
___
I am using ubuntu 12.04 LTS i386 32bit and NM from package 0.9.4.0-0ubuntu4.2

Revision history for this message

Reuben Lifshay (computator) wrote on 2013-03-19:

#4

Network Manager in Fedora and possibly upstream as well supports bridges properly. This should be added to Ubuntu's Network manager or pulled from upstream.

https://bugzilla.gnome.org/show_bug.cgi?id=546197
http://fedoraproject.org/wiki/Networking/Bridging#Using_NetworkManager_.28permanent.29

Revision history for this message

Reuben Lifshay (computator) wrote on 2013-03-19:

#5

After more research it appears that this has indeed been fixed as of NM 0.9.8 which is included in Raring or later.

Revision history for this message

Jean-Sébastien Frerot (jsfrerot) wrote on 2013-11-25:

#6

I have ubuntu 13.10 with network-manager 0.9.8.0-0ubuntu22 and still experience the problem.

Any workaround available ?

Revision history for this message

Tom (doubek-tomas) wrote on 2014-02-16:

#7

Ubuntu 13.10 Still same problem with bridge and network manager

Revision history for this message

gorilych (gorilych) wrote on 2014-05-21:

#8

Ubuntu 14.04 - the issue is the same.

Revision history for this message

John Ruiz (jar349) wrote on 2015-01-27:

#9

see also: https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/1273201

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