>>>      IIUC you are trying to install Debian/Devuan on a disk meant to be
>>> used to boot your arm cpu, and you are doing this on an x86-64 (amd64 in
>>> Debian parlance). This is one of the good feature of debootstap, but it
>>> needs some expertise.

>>>      debootstrap is made of two stages:

>>>      1) download and unpack critical executable binaries which are
>>> needed to "bootstrap" the installation

>>>      2) execute these binaries, which will actually "apt-get install" a
>>> minimal system.

>>>      What you are doing is trying to perform the two stages.It will fail
>>> because these executable are meant to be executed by an arm cpu, not by
>>> the x86-64.

>>>      What you need to do is to execute the two steps separately:

>>>      1) on your intel x86-64, execute the 1st step only with the
>>> following command (don't ommit the --foreign):

>>>      debootstrap --foreign --arch armhf chimaera /mnt
>>> http://deb.devuan.org/merged/ chimaera

>>>      2) Mount the disk on the arm machine and, from there, execute:

>>>      sudo chroot /mnt debootstrap --second-stage

>>>      Maybe it is /mnt/bin/debootstrap. Check the path before. After
>>> that, you should have a usable minimal userland on this disk and you
>>> might chroot /bin/sh, and, from there, apt-get more stuff, like bash,
>>> which is much more comfortable than dash for interactive use. Installing
>>> and booting a kernel is another story.

>>>      Hope it helps.

>>> --     Didier