root@urootSrfce:~# apt update
Hit:1 http://de.archive.ubuntu.com/ubuntu xenial InRelease                     
Hit:2 http://security.ubuntu.com/ubuntu xenial-security InRelease   
Get:3 http://ppa.launchpad.net/tigerite/kernel/ubuntu xenial InRelease [18.1 kB]
Hit:4 http://de.archive.ubuntu.com/ubuntu xenial-updates InRelease             
Hit:5 http://de.archive.ubuntu.com/ubuntu xenial-backports InRelease
Get:6 http://ppa.launchpad.net/tigerite/kernel/ubuntu xenial/main amd64 Packages [4292 B]
Get:7 http://ppa.launchpad.net/tigerite/kernel/ubuntu xenial/main i386 Packages [4256 B]
Get:8 http://ppa.launchpad.net/tigerite/kernel/ubuntu xenial/main Translation-en [2368 B]
Fetched 29.0 kB in 3s (8919 B/s) 
Reading package lists... Done
Building dependency tree       
Reading state information... Done
1 package can be upgraded. Run 'apt list --upgradable' to see it.
root@urootSrfce:~# sudo apt full-upgrade
Reading package lists... Done
Building dependency tree       
Reading state information... Done
You might want to run 'apt-get -f install' to correct these.
The following packages have unmet dependencies:
 libpcap0.8 : Breaks: libpcap0.8:i386 (!= 1.7.4-2) but 1.4.0-2 is installed
 libpcap0.8:i386 : Breaks: libpcap0.8 (!= 1.4.0-2) but 1.7.4-2 is installed
E: Unmet dependencies. Try using -f.