apparmor
apport
apt
bcache-tools
btrfs-progs
chrony | time-daemon
cloud-init
cryptsetup
dbus
e2fsprogs
lvm2
mdadm
multipath-tools
netbase
open-iscsi
pollinate
snapd
sudo
systemd
systemd-resolved
systemd-sysv
ubuntu-drivers-common
ubuntu-release-upgrader-core
udev
unminimize
xfsprogs
