flow->finished_ = true;
XBT_DEBUG("recv_cb of F[%p, %p, %u]", flow, flow->action_, flow->total_bytes_);
XBT_DEBUG("Stop simulator at %f seconds", ns3::Simulator::Now().GetSeconds());
flow->finished_ = true;
XBT_DEBUG("recv_cb of F[%p, %p, %u]", flow, flow->action_, flow->total_bytes_);
XBT_DEBUG("Stop simulator at %f seconds", ns3::Simulator::Now().GetSeconds());