Preparing to unpack .../base-files_9.4ubuntu4.1_amd64.deb ...
Unpacking base-files (9.4ubuntu4.1) over (9.4ubuntu4) ...
Processing triggers for plymouth-theme-ubuntu-text (0.9.2-3ubuntu13.1) ...
update-initramfs: deferring update (trigger activated)
Processing triggers for install-info (6.1.0.dfsg.1-5) ...
Processing triggers for cracklib-runtime (2.9.2-1build2) ...
Processing triggers for man-db (2.7.5-1) ...
Processing triggers for initramfs-tools (0.122ubuntu8.1) ...
update-initramfs: Generating /boot/initrd.img-4.4.0-24-generic
cryptsetup: WARNING: could not determine root device from /etc/fstab
W: plymouth module (/usr/lib/x86_64-linux-gnu/plymouth//.so) missing, skipping that theme.
Setting up base-files (9.4ubuntu4.1) ...

Configuration file '/etc/update-motd.d/10-help-text'
 ==> Modified (by you or by a script) since installation.
 ==> Package distributor has shipped an updated version.
   What would you like to do about it ?  Your options are:
    Y or I  : install the package maintainer's version
    N or O  : keep your currently-installed version
      D     : show the differences between the versions
      Z     : start a shell to examine the situation
 The default action is to keep your current version.
*** 10-help-text (Y/I/N/O/D/Z) [default=N] ?