** Branch linked: lp:~phablet-team/network-manager/lp1444162
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https://bugs.launchpad.net/bugs/1444162
Title:
IPv6 default route present on ccmni0, even though no address assigned
Status in Canonical System Image:
New
Status in network-manager package in Ubuntu:
In Progress
Bug description:
$ system-image-cli -i
current build number: 171
device name: m75
channel: ubuntu-touch/vivid-proposed
last update: 2015-04-14 22:23:10
version version: 171
Upon boot, my v6 routes include a default via ccmni0:
$ ip -6 route
fe80::/64 dev wlan0 proto kernel metric 256
default dev ccmni0 proto static metric 1024
Even though there's no v6 address on the device:
$ ip -6 addr
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536
inet6 ::1/128 scope host
valid_lft forever preferred_lft forever
10: wlan0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qlen 1000
inet6 fe80::3abc:1aff:fe18:b68b/64 scope link
valid_lft forever preferred_lft forever
This means that hosts that have v6 addresses are tried to be reached via v6,
which obviously fails:
> 29% [Connecting to ports.ubuntu.com (2001:67c:1360:8001::18)]
Toggling GSM data loses the default route:
$ ip -6 route
fe80::/64 dev wlan0 proto kernel metric 256
And the connection succeeds via v4.
Attached find a set of logs from network-test-session.
ProblemType: Bug
DistroRelease: Ubuntu 15.04
Package: network-manager 0.9.10.0-4ubuntu13
Uname: Linux 3.10.35+ armv7l
ApportVersion: 2.17-0ubuntu2
Architecture: armhf
CRDA: Error: [Errno 2] No such file or directory: 'iw'
Date: Tue Apr 14 23:45:11 2015
IfupdownConfig:
# interfaces(5) file used by ifup(8) and ifdown(8)
# Include files from /etc/network/interfaces.d:
source-directory /etc/network/interfaces.d
InstallationDate: Installed on 2015-04-14 (0 days ago)
InstallationMedia: Ubuntu Vivid Vervet (development branch) - armhf
(20150414-020204)
IpRoute:
default via 10.2.0.254 dev wlan0 proto static metric 1024
10.0.0.0/8 via 10.2.0.1 dev wlan0 proto dhcp metric 10
10.2.0.0/24 dev wlan0 proto kernel scope link src 10.2.0.66
NetworkManager.state:
[main]
NetworkingEnabled=true
WirelessEnabled=true
WWANEnabled=true
WimaxEnabled=true
PciNetwork:
SourcePackage: network-manager
SystemImageInfo:
current build number: 171
device name: m75
channel: ubuntu-touch/vivid-proposed
last update: 2015-04-14 22:23:10
version version: 171
UpgradeStatus: No upgrade log present (probably fresh install)
mtime.conffile..etc.dbus.1.system.d.org.freedesktop.NetworkManager.conf:
2015-04-14T04:33:56
nmcli-nm: Error: command ['nmcli', '-f', 'all', 'nm'] failed with exit code
2: Error: Object 'nm' is unknown, try 'nmcli help'.
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