remote_mac
u8 *remote_mac, *remote_ip;
remote_mac = MLX5_ADDR_OF(fpga_qpc, conn->fpga_qpc, remote_mac_47_32);
err = mlx5_query_nic_vport_mac_address(fdev->mdev, 0, remote_mac);
addrconf_addr_eui48(&remote_ip[8], remote_mac);
remote_ip, remote_mac, true, 0);