*** This bug is a duplicate of bug 68628 *** Thanks for reporting it, linking to previous reported bug #68628.
It looks like it has been fixed in versions later than 0.69ubuntu18 version. -- preinst script has old Debian bug https://launchpad.net/bugs/74242 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs