When doing start/stop on an aggregate, skip slivers that are already in the desired state. It is an aggregate after all, and things could be "mixed".
When doing start/stop on an aggregate, skip slivers that are already
in the desired state. It is an aggregate after all, and things could
be "mixed".

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