A lot of packages are broken on your system with a message like
insserv: Starting .depend.boot depends on plymouth and therefore on system facility `$all' which can not be true!
insserv: Starting .depend.boot depends on plymouth and therefore on system facility `$all' which can not be true!
insserv: Starting .depend.boot depends on plymouth and therefore on system facility `$all' which can not be true!
insserv: Max recursions depth 99 reached
insserv: loop involving service gdm3 at depth 2
insserv: loop involving service .depend.boot at depth 1
insserv: There is a loop between service .depend.boot and dns-clean if started
insserv: loop involving service dns-clean at depth 1
insserv: exiting now without changing boot order!
update-rc.d: error: insserv rejected the script header
dpkg: error processing package brltty (--configure):
Supposedly you changed something in the init scripts, plymouth and dns-clean don't do this in a default installation.
A lot of packages are broken on your system with a message like
insserv: Starting .depend.boot depends on plymouth and therefore on system facility `$all' which can not be true!
insserv: Starting .depend.boot depends on plymouth and therefore on system facility `$all' which can not be true!
insserv: Starting .depend.boot depends on plymouth and therefore on system facility `$all' which can not be true!
insserv: Max recursions depth 99 reached
insserv: loop involving service gdm3 at depth 2
insserv: loop involving service .depend.boot at depth 1
insserv: There is a loop between service .depend.boot and dns-clean if started
insserv: loop involving service dns-clean at depth 1
insserv: exiting now without changing boot order!
update-rc.d: error: insserv rejected the script header
dpkg: error processing package brltty (--configure):
Supposedly you changed something in the init scripts, plymouth and dns-clean don't do this in a default installation.