Here is what happens

No errors with the commands

dmesg
[  340.636785] type=1400 audit(1385191275.947:46): apparmor="STATUS" operation="profile_remove" parent=2327 profile="unconfined" name="/usr/lib/cups/backend/cups-pdf" pid=2328 comm="apparmor_parser"
[  340.636827] type=1400 audit(1385191275.947:47): apparmor="STATUS" operation="profile_remove" parent=2327 profile="unconfined" name="/usr/sbin/cupsd" pid=2328 comm="apparmor_parser"
[  349.935390] type=1400 audit(1385191285.243:48): apparmor="STATUS" operation="profile_load" parent=2336 profile="unconfined" name="/usr/lib/cups/backend/cups-pdf" pid=2340 comm="apparmor_parser"
[  349.935401] type=1400 audit(1385191285.243:49): apparmor="STATUS" operation="profile_load" parent=2336 profile="unconfined" name="/usr/sbin/cupsd" pid=2340 comm="apparmor_parser"
[  349.936307] type=1400 audit(1385191285.247:50): apparmor="STATUS" operation="profile_replace" parent=2336 profile="unconfined" name="/usr/sbin/cupsd" pid=2340 comm="apparmor_parser"

No errors from pdf testprint, file appears in ~/PDF

Installed both brother 4150 packages, this triggers a cups restart, now found this in error.log
W [23/Nov/2013:08:29:31 +0100] CreateProfile failed: org.freedesktop.ColorManager.AlreadyExists:profile id 'PDF-Gray..' already exists
W [23/Nov/2013:08:29:31 +0100] CreateProfile failed: org.freedesktop.ColorManager.AlreadyExists:profile id 'PDF-RGB..' already exists
E [23/Nov/2013:08:29:31 +0100] Unable to bind socket for address [v1.::1]:631 - Address already in use.
E [23/Nov/2013:08:29:31 +0100] Unable to bind socket for address 127.0.0.1:631 - Address already in use.
W [23/Nov/2013:08:29:31 +0100] CreateProfile failed: org.freedesktop.ColorManager.AlreadyExists:profile id 'PDF-Gray..' already exists
W [23/Nov/2013:08:29:31 +0100] CreateProfile failed: org.freedesktop.ColorManager.AlreadyExists:profile id 'PDF-RGB..' already exists
E [23/Nov/2013:08:29:31 +0100] Unable to bind socket for address [v1.::1]:631 - Address already in use.
E [23/Nov/2013:08:29:31 +0100] Unable to bind socket for address 127.0.0.1:631 - Address already in use.
W [23/Nov/2013:08:29:31 +0100] CreateProfile failed: org.freedesktop.ColorManager.AlreadyExists:profile id 'PDF-Gray..' already exists
W [23/Nov/2013:08:29:31 +0100] CreateProfile failed: org.freedesktop.ColorManager.AlreadyExists:profile id 'PDF-RGB..' already exists
E [23/Nov/2013:08:29:31 +0100] Unable to bind socket for address [v1.::1]:631 - Address already in use.
E [23/Nov/2013:08:29:31 +0100] Unable to bind socket for address 127.0.0.1:631 - Address already in use.

But its impossible to install the printer driver, it hangs in a loop to find the (installed) driver and dmesg tells

[  655.781020] type=1400 audit(1385191591.093:52): apparmor="DENIED" operation="open" parent=2341 profile="/usr/lib/cups/backend/cups-pdf" name="/home/.ecryptfs/eric/.Private/ECRYPTFS_FNEK_ENCRYPTED.FWbQJi-5FucO7-QrZ4FsT48w8tsZFI1YwR10K3IBUW-xsNjgUYReApm1HU--/ECRYPTFS_FNEK_ENCRYPTED.FWbQJi-5FucO7-QrZ4FsT48w8tsZFI1YwR10HEexx9BZbOErhIlf5w6Aok--" pid=2448 comm="cups-pdf" requested_mask="rw" denied_mask="rw" fsuid=0 ouid=1000
[  835.776798] init: cups main process ended, respawning
[  835.809267] type=1400 audit(1385191771.122:53): apparmor="STATUS" operation="profile_replace" parent=2619 profile="unconfined" name="/usr/lib/cups/backend/cups-pdf" pid=2623 comm="apparmor_parser"
[  835.809283] type=1400 audit(1385191771.122:54): apparmor="STATUS" operation="profile_replace" parent=2619 profile="unconfined" name="/usr/sbin/cupsd" pid=2623 comm="apparmor_parser"
[  835.810229] type=1400 audit(1385191771.122:55): apparmor="STATUS" operation="profile_replace" parent=2619 profile="unconfined" name="/usr/sbin/cupsd" pid=2623 comm="apparmor_parser"
[  836.129727] init: cups main process ended, respawning
[  836.349943] type=1400 audit(1385191771.662:56): apparmor="STATUS" operation="profile_replace" parent=2717 profile="unconfined" name="/usr/lib/cups/backend/cups-pdf" pid=2721 comm="apparmor_parser"
[  836.349957] type=1400 audit(1385191771.662:57): apparmor="STATUS" operation="profile_replace" parent=2717 profile="unconfined" name="/usr/sbin/cupsd" pid=2721 comm="apparmor_parser"
[  836.350788] type=1400 audit(1385191771.662:58): apparmor="STATUS" operation="profile_replace" parent=2717 profile="unconfined" name="/usr/sbin/cupsd" pid=2721 comm="apparmor_parser"

On sunday i will rollback this machine to 13.04 or mint olivia, cause this is a to heavy show stopper for 13.10.