This is still an issue in Xenial, see the duplicates.
Preparing to unpack .../branding-ubuntu_0.8_all.deb ...
Leaving 'diversion of /usr/share/aisleriot/pixmaps/slot.svg to
/usr/share/aisleriot/pixmaps/slot.svg.unbranded by branding-ubuntu'
Leaving 'diversion of
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: branding-ubuntu (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1412946
** Tags removed: need-duplicate-check
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https://bugs.launchpad.net/bugs/1412946
Title:
package branding-ubuntu (not installed) failed to install/upgrade:
subprocess new