Comment 13 for bug 1309617

Edit /etc/init/plymouth-upstart-bridge.conf

# plymouth-upstart-bridge - Bridge Upstart state changes into Plymouth
#
# This helper process receives Upstart state changes over D-Bus and sends
# corresponding messages to Plymouth.

description "bridge from Upstart state changes to Plymouth"

respawn

start on startup
          (or runlevel [06])
stop on stopping plymouth
         (or stopping plymouth-shutdown)

console output

exec plymouth-upstart-bridge