XBT_DEBUG("\tAdd PTP from %d to %d bw:'%f Bps' lat:'%fs'", srcNum, dstNum, bw, lat);
pointToPoint.SetDeviceAttribute("DataRate",
XBT_DEBUG("\tAdd PTP from %d to %d bw:'%f Bps' lat:'%fs'", srcNum, dstNum, bw, lat);
pointToPoint.SetDeviceAttribute("DataRate",