[Bug 988183] [NEW] Logs full with "ICMPv6 RA: ndisc_router_discovery() failed to add default route"

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Hi,

I am observing a lot of "ICMPv6 RA: ndisc_router_discovery() failed to add default route" in my logs.
After a fresh reboot:

$ dmesg | grep "ICMPv6 RA: ndisc_router_discovery() failed to add default route." | wc -l
46

First, I thought this is a kernel issue, but than I found a bug-report
in the Red Hat BTS in [1].

Just FYI: I am on Linux-3.4-rc4 - with the original Ubuntu/precise
kernel I haven't seen this which is linux-image-3.2.0-23-generic
(3.2.0-23.36).

- Sedat -

[1] https://bugzilla.redhat.com/show_bug.cgi?id=785772

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: network-manager 0.9.4.0-0ubuntu3
Uname: Linux 3.4.0-rc4-4-generic x86_64
ApportVersion: 2.0.1-0ubuntu5
Architecture: amd64
Date: Wed Apr 25 08:40:50 2012
ExecutablePath: /usr/sbin/NetworkManager
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Beta amd64 (20120301)
IpRoute:
 default via 192.168.178.1 dev wlan0  proto static 
 169.254.0.0/16 dev wlan0  scope link  metric 1000 
 192.168.178.0/24 dev wlan0  proto kernel  scope link  src 192.168.178.22  metric 2
NetworkManager.state:
 [main]
 NetworkingEnabled=true
 WirelessEnabled=true
 WWANEnabled=true
 WimaxEnabled=true
ProcEnviron:
 TERM=linux
 PATH=(custom, no user)
 LANG=de_DE.UTF-8
SourcePackage: network-manager
UpgradeStatus: No upgrade log present (probably fresh install)
nmcli-con:
 NAME                      UUID                                   TYPE              TIMESTAMP    TIMESTAMP-REAL                     AUTOCONNECT   READONLY   DBUS-PATH                                 
 myCastle-WLAN WPA (Wireless LAN) a74880ae-a336-4133-9454-b0376557cb6c   802-11-wireless   1335335775   Mi 25 Apr 2012 08:36:15 CEST       yes           no         /org/freedesktop/NetworkManager/Settings/0
nmcli-dev:
 DEVICE     TYPE              STATE         DBUS-PATH                                  
 eth0       802-3-ethernet    unmanaged     /org/freedesktop/NetworkManager/Devices/1  
 wlan0      802-11-wireless   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         enabled

** Affects: network-manager (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug patch precise third-party-packages
-- 
Logs full with "ICMPv6 RA: ndisc_router_discovery() failed to add default route"
https://bugs.launchpad.net/bugs/988183
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