[libvirt-users] LXC Memory Limits wont work

Hello, iam currently trying to run LXC Containers with libvirt but the memory limit doesn't want to work in the container i see the full 32GB from the Host OS iam pretty sure that iam missing a configline in the xml lxc-template ~ # free -m total used free shared buff/cache available Mem: 32108 626 31396 249 85 31396 Swap: 0 0 0 lxc-template ~ # the host is running debian 9 with default repos hv1 ~ # dpkg -l | grep virt ii libgovirt-common 0.3.4-2 all GObject-based library to access oVirt REST API (common files) ii libgovirt2:amd64 0.3.4-2 amd64 GObject-based library to access oVirt REST API ii libvirt-clients 3.0.0-4+deb9u3 amd64 Programs for the libvirt library ii libvirt-daemon 3.0.0-4+deb9u3 amd64 Virtualization daemon ii libvirt-daemon-system 3.0.0-4+deb9u3 amd64 Libvirt daemon configuration files ii libvirt-glib-1.0-0:amd64 1.0.0-1 amd64 libvirt GLib and GObject mapping library ii libvirt0 3.0.0-4+deb9u3 amd64 library for interfacing with different virtualization systems ii python-libvirt 3.0.0-2 amd64 libvirt Python bindings ii qemu-kvm 1:2.8+dfsg-6+deb9u4 amd64 QEMU Full virtualization on x86 hardware ii virt-viewer 5.0-1 amd64 Displaying the graphical console of a virtual machine ii virtinst 1:1.4.0-5 all Programs to create and clone virtual machines -- best regards Markus Raps