#!/bin/sh

# umount /usr/local/jails/devuan/dev
# umount /usr/local/jails/devuan/dev/fd
umount /usr/local/jails/devuan/proc
umount /usr/local/jails/devuan/sys
umount /usr/local/jails/devuan/tmp
umount /usr/local/jails/devuan/dev

sed -i '' '/devuan/d' /etc/fstab

kldunload linux
kldunload linux64