Integrate systemd

Not fully optimized yet, but shouldn't have any regressions

munix

@@ -136,21 +136,22 @@ exec bwrap --unshare-all --share-net \
   --dev /dev --dir /dev/input --dev-bind /dev/kvm /dev/kvm \
   --ro-bind "$MUVM_PATH" /run/munix/muvm \
   --ro-bind "$PASST_PATH" /run/munix/passt \
-  --ro-bind "$MICROVM_CLOSURE/sw/bin/env" /usr/bin/env \
-  --ro-bind "$SCRIPT_PATH/munix-init-root" /usr/bin/munix-init-root \
-  --ro-bind "$SCRIPT_PATH/munix-init-user" /usr/bin/munix-init-user \
+  --ro-bind "$MUVM_PATH/muvm-guest" /opt/bin/muvm-remote \
+  --ro-bind "$MUVM_PATH/muvm-guest" /opt/bin/muvm-configure-network \
+  --ro-bind "$MUVM_PATH/muvm-guest" /opt/bin/muvm-pwbridge \
+  --symlink "$MICROVM_CLOSURE/etc/systemd" /etc/systemd \
   --ro-bind /nix/store /nix/store \
   --ro-bind /run/systemd/resolve /run/systemd/resolve \
-  --ro-bind /etc/resolv.conf /etc/resolv.conf \
   --file 11 /etc/passwd \
   --file 12 /etc/group \
+  --file 13 /etc/resolv.conf \
   --dir "$XDG_RUNTIME_DIR" \
   --setenv PATH "/run/munix/muvm:/run/munix/passt:$MICROVM_CLOSURE/sw/bin" \
   "${BWRAP_ARGS[@]}" \
   muvm \
-    -x /usr/bin/munix-init-root -X /usr/bin/munix-init-user \
+    --custom-init-cmdline "$MICROVM_CLOSURE/sw/sbin/init --log-target=console" \
     "${MUVM_ARGS[@]}" \
-    -e MUVM_UDEVD_PATH="$MICROVM_CLOSURE/sw/bin/true" \
+    -e container=munix \
     -e MICROVM_CLOSURE="$MICROVM_CLOSURE" \
     -e MICROVM_UID="$MICROVM_UID" -e MICROVM_GID="$MICROVM_GID" \
     -i -t "${MICROVM_COMMAND[@]}" \
@@ -163,4 +164,7 @@ EOF
 munix:x:$MICROVM_GID:
 nogroup:x:65534:
 EOF
-)
+) \
+  13< /etc/resolv.conf
+
+#  --log-level=debug