Comment 9 for bug 1713004

Verification done on trusty:

bdmurray@clean-trusty-amd64:~$ ls /var/tmp/
bdmurray@clean-trusty-amd64:~$ sudo update-initramfs -k all -u
[sudo] password for bdmurray:
update-initramfs: Generating /boot/initrd.img-4.4.0-38-generic
^Cbdmurray@clean-trusty-amd64:~$ ls /var/tmp/
mkinitramfs-FW_pLwXEe
bdmurray@clean-trusty-amd64:~$ apt-cache policy initramfs-tools
initramfs-tools:
  Installed: 0.103ubuntu4.10
  Candidate: 0.103ubuntu4.10
  Version table:
 *** 0.103ubuntu4.10 0
        500 http://ubuntu.osuosl.org/ubuntu/ trusty-proposed/main amd64 Packages
        100 /var/lib/dpkg/status
     0.103ubuntu4.9 0
        500 http://ubuntu.osuosl.org/ubuntu/ trusty-updates/main amd64 Packages
     0.103ubuntu4 0
        500 http://ubuntu.osuosl.org/ubuntu/ trusty/main amd64 Packages
bdmurray@clean-trusty-amd64:~$ sudo update-initramfs -k all -u
update-initramfs: Generating /boot/initrd.img-4.4.0-38-generic
^Cbdmurray@clean-trusty-amd64:~$ ls /var/tmp/
mkinitramfs-FW_pLwXEe