Comment # 9 on bug 1129566 from Fabian Vogt

(In reply to Marcus Schaefer from comment #7)
> With regards to the conversation and agreement we had with Richard and you
> we extended the spare partition support such that the requested extra
> partition (/var in your case) including contents and fstab setup are part of
> the image build. The PR is open for reference here:
> 
> * https://github.com/SUSE/kiwi/pull/1101
> 
> Once added I assume the needed adaptions to the fstab regarding the special
> overlayfs setup you use can then be handled better

Can you provide an example which edits the /var entry in the /etc/fstab and
works for multiple flavors with UUID mounting?