"Filtering netzones is only possible for subclasses of kernel::routing::NetZoneImpl");
for (auto const& elem : current->get_children()) {
get_filtered_netzones_recursive(elem, whereto);
"Filtering netzones is only possible for subclasses of kernel::routing::NetZoneImpl");
for (auto const& elem : current->get_children()) {
get_filtered_netzones_recursive(elem, whereto);