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[Tony Espy <1436427@xxxxxxxxxxxxxxxxxx>]

This sounds similar to bug #1410113, which is a more generic bug.  I'm
not going to mark this a duplicate however as it has a reproducible
scenario.

Also confirmed this bug for RTM, as I reproduced it on the third try.  I
verified that there was a mobile data connection and that it worked (
ie. I could ping ubuntu.com ), activated a WiFi connection, verified the
routing table, and then disabled WiFi.  On the third cycle, I ended up
with an empty routing table:

phablet@ubuntu-phablet:~$ netstat -run
Kernel IP routing table
Destination     Gateway         Genmask         Flags   MSS Window  irtt Iface

...that said, at some point, it looks like the system did recover at
some later point, as it appears to have magically healed itself, and I
know have a valid routing table, and usable mobile data connection.

I will continue to work on reproducing, and will add logs, and other
data if/when I can do so again.

phablet@ubuntu-phablet:~$ system-image-cli -i
current build number: 20
device name: krillin
channel: ubuntu-touch/ubuntu-rtm/14.09
last update: 2015-03-26 15:44:56
version version: 20
version ubuntu: 20150312
version device: 20150310-3201c0a
version custom: 20150216-561-29-186


** Changed in: network-manager (Ubuntu RTM)
   Importance: High => Critical

** Changed in: network-manager (Ubuntu)
   Importance: High => Critical

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https://bugs.launchpad.net/bugs/1436427

Title:
  Turning off WiFi doesn't set a route after the modem connects data

Status in the base for Ubuntu mobile products:
  New
Status in network-manager package in Ubuntu:
  New
Status in network-manager package in Ubuntu RTM:
  Confirmed

Bug description:
  I just switched off WiFi in order to test if the device switches
  successfully to a mobile data connection. After disabling WiFi the
  indicator showed "H" in no time. So it would seem all is fine. I
  opened the browser and no data went through.

  Here's the output of "ip route" and "list-contexts":
  http://paste.ubuntu.com/10678851/

  phablet@ubuntu-phablet:~$ system-image-cli -i
  current build number: 21
  device name: krillin
  channel: ubuntu-touch/rc/bq-aquaris.en
  last update: 2015-03-13 17:11:07
  version version: 21
  version ubuntu: 20150312
  version device: 20150310-3201c0a
  version custom: 20150216-561-29-186

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