s += sprintf(buf + s, "handle %d (eport_id=%u from %s):\n",
                            i++, h->eport_id, h->dev->name);
                for (j = 0; j < h->q_num; j++) {
-                       s += sprintf(buf + s, "\tqueue[%d] on 0x%llx\n",
-                                    j, (u64)h->qs[i]->io_base);
-#define HANDEL_TX_MSG "\t\ttx_ring on 0x%llx:%u,%u,%u,%u,%u,%llu,%llu\n"
+                       s += sprintf(buf + s, "\tqueue[%d] on %p\n",
+                                    j, h->qs[i]->io_base);
+#define HANDEL_TX_MSG "\t\ttx_ring on %p:%u,%u,%u,%u,%u,%llu,%llu\n"
                        s += sprintf(buf + s,
                                     HANDEL_TX_MSG,
-                                    (u64)h->qs[i]->tx_ring.io_base,
+                                    h->qs[i]->tx_ring.io_base,
                                     h->qs[i]->tx_ring.buf_size,
                                     h->qs[i]->tx_ring.desc_num,
                                     h->qs[i]->tx_ring.max_desc_num_per_pkt,
                                 h->qs[i]->tx_ring.stats.sw_err_cnt,
                                 h->qs[i]->tx_ring.stats.io_err_cnt);
                        s += sprintf(buf + s,
-                               "\t\trx_ring on 0x%llx:%u,%u,%llu,%llu,%llu\n",
-                               (u64)h->qs[i]->rx_ring.io_base,
+                               "\t\trx_ring on %p:%u,%u,%llu,%llu,%llu\n",
+                               h->qs[i]->rx_ring.io_base,
                                h->qs[i]->rx_ring.buf_size,
                                h->qs[i]->rx_ring.desc_num,
                                h->qs[i]->rx_ring.stats.sw_err_cnt,