simgrid::kernel::routing::NetPoint::onCreation.connect([](simgrid::kernel::routing::NetPoint* pt) {
pt->extension_set<NetPointNs3>(new NetPointNs3());
simgrid::kernel::routing::NetPoint::onCreation.connect([](simgrid::kernel::routing::NetPoint* pt) {
pt->extension_set<NetPointNs3>(new NetPointNs3());