This bug was fixed in the package debootstrap - 1.0.59ubuntu0.9
--------------- debootstrap (1.0.59ubuntu0.9) trusty; urgency=medium
* Add (Ubuntu) bionic as a symlink to gutsy. (LP: #1727732)
-- Andy Whitcroft <email address hidden> Thu, 26 Oct 2017 14:38:38 +0100
This bug was fixed in the package debootstrap - 1.0.59ubuntu0.9
---------------
debootstrap (1.0.59ubuntu0.9) trusty; urgency=medium
* Add (Ubuntu) bionic as a symlink to gutsy. (LP: #1727732)
-- Andy Whitcroft <email address hidden> Thu, 26 Oct 2017 14:38:38 +0100