In apt-setup-0.104ubuntu5/generators/60local there is an call
$chroot $ROOT apt-key add "/tmp/key$i.pub"
which would be the origin of this message.
In apt-setup- 0.104ubuntu5/ generators/ 60local there is an call
$chroot $ROOT apt-key add "/tmp/key$i.pub"
which would be the origin of this message.