*** This bug is a duplicate of bug 1534374 ***
https://bugs.launchpad.net/bugs/1534374
** This bug has been marked a duplicate of bug 1534374
unable to upgrade to 15.04 due to libstdc++6 SRU
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Part of the problem can be found in the following error message:
2016-01-05 17:52:07,746 DEBUG none of the '['ubuntu-desktop',
'kubuntu-desktop', 'xubuntu-core', 'xubuntu-desktop', 'ubuntustudio-desktop',
'mythbuntu-desktop', 'kubuntu-netbook', 'lubuntu-core', 'lubuntu-desktop',
'ubuntu-gnome-d