Add port speed and duplex the the -b/-B options, so that Mike can monkey around with autodetection to attempt to get carrier on unresponsive interfaces.
Add port speed and duplex the the -b/-B options, so that Mike can
monkey around with autodetection to attempt to get carrier on
unresponsive interfaces.

nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome