gtnets_clients_[nflow_] = (TCPSend*)gtnets_nodes_[src_node]->
AddApplication(TCPSend(metadata, gtnets_nodes_[dst_node]->GetIPAddr(),
gtnets_clients_[nflow_] = (TCPSend*)gtnets_nodes_[src_node]->
AddApplication(TCPSend(metadata, gtnets_nodes_[dst_node]->GetIPAddr(),