Wip/sjoerd/2022dev0 to 2022dev1

Merge v2022dev0 changes into v2022dev1

flatdeb-builder/bin/debos-wrapper

-#!/bin/sh
-
-set -e
-
-if [ -f /tmp/libslirp ]; then
-    rm /tmp/libslirp
-fi
-
-slirp-seq --listen-seqsocket-path=/tmp/libslirp \
-          --exit-with-parent &
-
-
-exec debos.real "$@"