Hi, all

Should bond slave need set same mac address?
Like this patch does: https://github.com/batmancn/dpdk/commit/a484ac3f407a6a22d4eb63da23e98e8e76833722
```
commit a484ac3f407a6a22d4eb63da23e98e8e76833722 (HEAD -> bugfix-bond-same-mac-20240429, batmancn/bugfix-bond-same-mac-20240429)
Author: batmancn <batmanustc@gmail.com>
Date:   Mon Apr 29 18:44:18 2024 +0800

    Bugfix, config same mac address of bond slave.
   
    Signed-off-by: Simon Jones <batmanustc@gmail.com>

diff --git a/drivers/net/bonding/rte_eth_bond_pmd.c b/drivers/net/bonding/rte_eth_bond_pmd.c
index c40d18d128..0387a9b2aa 100644
--- a/drivers/net/bonding/rte_eth_bond_pmd.c
+++ b/drivers/net/bonding/rte_eth_bond_pmd.c
@@ -1562,6 +1562,15 @@ mac_address_members_update(struct rte_eth_dev *bonding_eth_dev)
                }
                break;
        case BONDING_MODE_8023AD:
+               for (i = 0; i < internals->slave_count; i++) {
+                       if (rte_eth_dev_default_mac_addr_set(
+                                       internals->slaves[i].port_id,
+                                       bonded_eth_dev->data->mac_addrs)) {
+                               RTE_BOND_LOG(ERR, "Failed to update port Id %d MAC address",
+                                               internals->slaves[i].port_id);
+                               return -1;
+                       }
+               }
                bond_mode_8023ad_mac_address_update(bonding_eth_dev);
                break;
        case BONDING_MODE_ACTIVE_BACKUP:
diff --git a/lib/ethdev/rte_ethdev.c b/lib/ethdev/rte_ethdev.c
index f1c658f49e..c3f8b8d01e 100644
--- a/lib/ethdev/rte_ethdev.c
+++ b/lib/ethdev/rte_ethdev.c
@@ -1746,7 +1746,8 @@ rte_eth_dev_start(uint16_t port_id)
                return ret;
 
        /* Lets restore MAC now if device does not support live change */
-       if (*dev_info.dev_flags & RTE_ETH_DEV_NOLIVE_MAC_ADDR)
+       if ((*dev_info.dev_flags & RTE_ETH_DEV_NOLIVE_MAC_ADDR) &&
+               !(*dev_info.dev_flags & RTE_ETH_DEV_BONDED_SLAVE))
                eth_dev_mac_restore(dev, &dev_info);
 
        diag = (*dev->dev_ops->dev_start)(dev);
~
```

----
Simon Jones