Calimero [1] filed a deletion request for aufs3 [2]: The package is now replaced by 'aufs' as AUFS4 follows Linux 4.0. Putting the version in the name was not useful.
[1] https://aur.archlinux.org/account/Calimero/ [2] https://aur.archlinux.org/pkgbase/aufs3/
