This bug was fixed in the package ubuntu-release-upgrader - 1:17.10.3
--------------- ubuntu-release-upgrader (1:17.10.3) artful; urgency=medium
* Remove --sandbox (aufs support) as it has been broken for some time and was rather unused. (LP: #1605259)
-- Brian Murray <email address hidden> Thu, 18 May 2017 10:51:34 -0700
This bug was fixed in the package ubuntu- release- upgrader - 1:17.10.3
--------------- release- upgrader (1:17.10.3) artful; urgency=medium
ubuntu-
* Remove --sandbox (aufs support) as it has been broken for some time and
was rather unused. (LP: #1605259)
-- Brian Murray <email address hidden> Thu, 18 May 2017 10:51:34 -0700