Bug Fix: Set the loadpart properly when cloning a whole disk image, so that the backend script can performs its checks properly.
Bug Fix: Set the loadpart properly when cloning a whole disk image, so
that the backend script can performs its checks properly.

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