add pppoe

tests/pppoe/run.sh

@@ -0,0 +1,20 @@
+#!/usr/bin/env sh
+
+
+set -e
+
+cleanup(){
+    echo "do cleanup";
+}
+trap cleanup EXIT
+trap 'echo "command $(eval echo $BASH_COMMAND) failed with exit code $?"; exit $?' ERR
+
+NIXPKGS_ALLOW_UNSUPPORTED_SYSTEM=1 nix-build '<liminix>' -I liminix-config=./configuration.nix --arg device "import <liminix/devices/qemu.nix>" -A outputs.default $*
+
+
+if ! ( echo "cont" | socat -   unix-connect:../support/ppp-server/qemu-monitor); then
+    echo "need pppoe server running"
+    exit 1
+fi
+
+../../scripts/run-qemu.sh result/vmlinux result/squashfs