Public bug reported:

Steps to reproduce:

1. Choose a WPA2 (PEAP MSCHAPv2) enterprise connection to connect to
2. Browse and add a certificate from the certificates field
3. Click Ok to connect
4. Network manager tries for a long time and fails to connect
5. Now go back and touch the same network from Network/WiFi section in pulldown 
shade
6. Observe Wifi Settings screen open, keyboard popup shortly and Wifi settings 
crash

Most annoyingly, once you get into this state there is no way to access
this network anymore. The only way is to re-flash the device.

** Affects: ubuntu-system-settings (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: certificate crash enterprise mschapv2 network-manager peap 
system-settings wifi wpa2

** Patch added: "Trace for the crash"
   
https://bugs.launchpad.net/bugs/1626199/+attachment/4745531/+files/_usr_bin_system-settings.32011.crash

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https://bugs.launchpad.net/bugs/1626199

Title:
  Wifi Settings permanantly corrupted after failed WPA2 connection
  attempt

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