This bug was fixed in the package debootstrap - 1.0.78+nmu1ubuntu1.2
--------------- debootstrap (1.0.78+nmu1ubuntu1.2) xenial; urgency=medium
* Add (Ubuntu) zesty as a symlink to gutsy. (LP: #1636583)
-- Joshua Powers <email address hidden> Tue, 25 Oct 2016 13:37:00 -0600
This bug was fixed in the package debootstrap - 1.0.78+ nmu1ubuntu1. 2
--------------- nmu1ubuntu1. 2) xenial; urgency=medium
debootstrap (1.0.78+
* Add (Ubuntu) zesty as a symlink to gutsy. (LP: #1636583)
-- Joshua Powers <email address hidden> Tue, 25 Oct 2016 13:37:00 -0600