# /usr/sbin/rpc.mountd --manage-gids -N 2 -N 3 -V 4 -V 4.1
# man rpc.mountd
#RPCMOUNTDOPTS="--manage-gids"
RPCMOUNTDOPTS="--manage-gids -N 2 -N 3 -V 4 -V 4.1"