3 Брокен Паккахе that will not be переместите; so that I хан update Ubuntu 14.04

I have подарил sudo apt-get update && sudo apt-get upgrade.

After that it gives я the following ошибка message

You might want to run 'apt-get -f install' to correct these.  
The following packages have unmet dependencies:  
 acl : Depends: libacl1 (= 2.2.52-1) but 2.2.52-2 is installed  
 libc6-dbg : Depends: libc6 (= 2.19-0ubuntu6.6) but 2.19-18 is installed  
 udev : Breaks: plymouth (< 0.9.0-7) but 0.8.8-0ubuntu17.1 is installed  
E: Unmet dependencies. Try using -f.

When I использовал Синаптик Паккахе Менеджер it says that гve got "3 broken packages". Which I am unable to remove; they пашите туз follows

1. acl - 2.2.51-1
2. libc6-dbg - 2.19-0ubuntu6.6
3. udev - 215-17+deb8u1

When I mark them "for removal". It then prompts я with the following message

Essential packages will be removed.  
This may render your system unusable!

I accept the warning which results in the following message being displayed.

E: Error, pkgProblemResolver::Resolve generated breaks, this may be caused by held packages.
E: Unable to lock the download directory

How do I fix this?