dn_probes
dnp->dn_probes = probes;
for (pnp = dnp->dn_probes; pnp != NULL; pnp = pnp->dn_list) {
for (arg = dnp->dn_probes; arg != NULL; arg = arg->dn_list)
dt_node_list_free(&dnp->dn_probes);
for (arg = dnp->dn_probes; arg != NULL; arg = arg->dn_list)