delay attempt 2

run

@@ -33,7 +33,9 @@ qemu-system-x86_64 \
   -append "root=/dev/vda $extra_append" \
   -drive file=output/images/rootfs.ext2,if=virtio,format=raw \
   -kernel output/images/bzImage \
+  -m 128M \
   -net nic,model=virtio \
   -net user \
+  -smp 1 \
   $extra_flags \
 ;