This bug was fixed in the package update-notifier - 3.168
--------------- update-notifier (3.168) xenial; urgency=medium
* Also update motd, at the end of Dpkg-Post run, properly counting how many things are left to update, rather than assuming that all updates were applied, as was done in previous release series. LP: #1558270
-- Dimitri John Ledkov <email address hidden> Mon, 11 Apr 2016 16:28:54 +0100
This bug was fixed in the package update-notifier - 3.168
---------------
update-notifier (3.168) xenial; urgency=medium
* Also update motd, at the end of Dpkg-Post run, properly counting how
many things are left to update, rather than assuming that all updates
were applied, as was done in previous release series. LP: #1558270
-- Dimitri John Ledkov <email address hidden> Mon, 11 Apr 2016 16:28:54 +0100