A touch of taint check changes since power is run from setuid perl scripts like os_setup and delay_setup. Change exitcode to return zero on success, or non-zero number of nodes that failed.
A touch of taint check changes since power is run from setuid perl scripts
like os_setup and delay_setup.
Change exitcode to return zero on success, or non-zero number of nodes
that failed.

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