Comment 4 for bug 1607687

Here is the list of packages that have incomplete files:

btrfs-tools
casper
cifs-utils
dmraid
fcitx-frontend-all
fcitx-frontend-gtk2
fcitx-frontend-gtk3
fcitx-frontend-qt4
fcitx-frontend-qt5
fcitx-module-cloudpinyin
fcitx-module-dbus
fcitx-module-kimpanel
fcitx-module-lua
fcitx-module-x11
fcitx-pinyin
fcitx-table
fcitx-ui-classic
jfsutils
kde-config-fcitx
kpartx
kpartx-boot
libdmraid1.0.0.rc16
libfcitx-gclient0
libfcitx-qt0
libfcitx-qt5-1
libgeoclue0
libjavascriptcoregtk-4.0-18
liblua5.2-0
libwebkit2gtk-4.0-37
libwebkit2gtk-4.0-37-gtk2
linux-image-4.10.0-28-generic
linux-signed-generic-hwe-16.04
linux-signed-image-4.10.0-28-generic
linux-signed-image-generic-hwe-16.04
lupin-casper
mokutil
presage
python3-cupshelpers
reiserfsprogs
ubiquity-slideshow-kubuntu
user-setup
xfsprogs
zenity
zenity-common

As you can see many of these (or most of these) would get removed after install. So the problem is more that this package removal doesn't happen.