same again for me whilst sudo apt upgrade today 6 Sep 2018
The following packages will be upgraded:
grub-common grub-pc grub-pc-bin grub2-common
Processing triggers for install-info (6.5.0.dfsg.1-2) ...
install-info: warning: no info dir entry in `/usr/share/info/gnash_user.info.gz'
install-info: warning: no info dir entry in `/usr/share/info/gnash_ref.info.gz'
Setting up grub-common (2.02-2ubuntu8.4) ...
update-rc.d: warning: start and stop actions are no longer supported; falling back to defaults
........
same again for me whilst sudo apt upgrade today 6 Sep 2018
The following packages will be upgraded:
grub-common grub-pc grub-pc-bin grub2-common
Processing triggers for install-info (6.5.0.dfsg.1-2) ... info/gnash_ user.info. gz' info/gnash_ ref.info. gz'
install-info: warning: no info dir entry in `/usr/share/
install-info: warning: no info dir entry in `/usr/share/
Setting up grub-common (2.02-2ubuntu8.4) ...
update-rc.d: warning: start and stop actions are no longer supported; falling back to defaults
........