ICE_GPR_NN_IDX
rt->pg_key.node_id = rt->gpr[ICE_GPR_NN_IDX];
rt->gpr[ICE_GPR_NN_IDX] = node;
rt->pg_key.node_id = rt->gpr[ICE_GPR_NN_IDX];
ice_gpr_add(rt, ICE_GPR_NN_IDX, rt->action->next_node);
node = rt->gpr[ICE_GPR_NN_IDX];