protect nannies during restart
protect nannies during restart

blaze/distributed,broxtronix/distributed,blaze/distributed,dask/distributed,dask/distributed,mrocklin/distributed,broxtronix/distributed,amosonn/distributed,amosonn/distributed,amosonn/distributed,broxtronix/distributed,mrocklin/distributed,dask/distributed,mrocklin/distributed,dask/distributed