$ sudo apt update && sudo apt full-upgrade
Hit:1 http://archive.canonical.com/ubuntu xenial InRelease
Hit:2 http://ppa.launchpad.net/kritalime/ppa/ubuntu xenial InRelease
Get:3 http://security.ubuntu.com/ubuntu xenial-security InRelease [102 kB]
Hit:4 http://us.archive.ubuntu.com/ubuntu xenial InRelease
Get:5 http://us.archive.ubuntu.com/ubuntu xenial-updates InRelease [102 kB]
Get:6 http://us.archive.ubuntu.com/ubuntu xenial-backports InRelease [102 kB]
Fetched 306 kB in 5s (57.7 kB/s)
Reading package lists... Done
Building dependency tree
Reading state information... Done
251 packages can be upgraded. Run 'apt list --upgradable' to see them.
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:
aptitude:i386 : Depends: libapt-pkg4.12:i386 (>= 0.8.16~exp12ubuntu6) but it is not installable
Depends: libboost-iostreams1.46.1:i386 (>= 1.46.1-1) but it is not installable
Depends: libcwidget3:i386 but it is not installable
Depends: libept1.4.12:i386 but it is not installable
Depends: libncursesw5:i386 (>= 5.6+20070908) but it is not installed
Depends: libsigc++-2.0-0c2a:i386 (>= 2.0.2) but it is not installable
Depends: libsqlite3-0:i386 (>= 3.6.5) but it is not installed
Depends: libxapian22:i386 but it is not installable
Recommends: apt-xapian-index:i386 but it is not installable
Recommends: libparse-debianchangelog-perl:i386 but it is not installable
google-chrome-stable : Depends: libpango1.0-0 (>= 1.14.0) but it is not installed
Depends: libappindicator1 but it is not installed
libpam-systemd : Depends: systemd (= 229-4ubuntu13)
libudev1 : Breaks: libudev1:i386 (!= 229-4ubuntu10) but 229-4ubuntu13 is installed
libudev1:i386 : Breaks: libudev1 (!= 229-4ubuntu13) but 229-4ubuntu10 is installed
ppa-purge : Depends: aptitude
udev : Depends: libudev1 (= 229-4ubuntu13) but 229-4ubuntu10 is installed
E: Unmet dependencies. Try using -f.