Minor fix to ensure that we use the correct vname for internally added hosts (as for XEN phys hosts). This was never a problem, until we got a cluster with super long node names.
Minor fix to ensure that we use the correct vname for internally added
hosts (as for XEN phys hosts). This was never a problem, until we got a
cluster with super long node names.

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