The routing and in particular the switching of the default route is handled soley by NM.
This was an issue last Summer during initial development of the NM ofono code, but Mathieu believed he'd resolved the issue. Apparently there's still some sort of race and it's possible that other recent system changes may have caused it to be triggered more easily. -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to network-manager in Ubuntu. https://bugs.launchpad.net/bugs/1307981 Title: [touch] randomly messed up routing with recent trusty images Status in “network-manager” package in Ubuntu: Confirmed Bug description: I have no clue when exactly it started (probably before image 290), but since a while i experience random issues where the browser suddenly doesnt find websites anymore ... digging deeper i can see that the routing table is completely messed up having two default routes: root@ubuntu-phablet:~# route -n Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 0.0.0.0 37.85.159.174 0.0.0.0 UG 0 0 0 rmnet_usb1 0.0.0.0 192.168.2.1 0.0.0.0 UG 0 0 0 wlan0 37.85.159.172 0.0.0.0 255.255.255.252 U 0 0 0 rmnet_usb1 192.168.2.0 0.0.0.0 255.255.255.0 U 9 0 0 wlan0 i did not roam or switch networks, this phone was constantly on wlan in the same room. afer a reboot the routing is normal: root@ubuntu-phablet:~# route -n Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 0.0.0.0 192.168.2.1 0.0.0.0 UG 0 0 0 wlan0 37.84.75.140 0.0.0.0 255.255.255.252 U 13 0 0 rmnet_usb0 192.168.2.0 0.0.0.0 255.255.255.0 U 9 0 0 wlan0 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/1307981/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp