Index: sys/dev/mlx5/mlx5_en/mlx5_en_ethtool.c
===================================================================
--- sys/dev/mlx5/mlx5_en/mlx5_en_ethtool.c
+++ sys/dev/mlx5/mlx5_en/mlx5_en_ethtool.c
@@ -257,8 +257,9 @@
 		eeprom->len = MLX5E_ETH_MODULE_SFF_8472_LEN;
 		break;
 	default:
-		if_printf(priv->ifp, "%s:%d: Not recognized cable type = 0x%x\n",
-		    __func__, __LINE__, data & MLX5_EEPROM_IDENTIFIER_BYTE_MASK);
+		if_printf(priv->ifp, "%s:%d: Not recognized cable type = 0x%x(%s)\n",
+		    __func__, __LINE__, data & MLX5_EEPROM_IDENTIFIER_BYTE_MASK,
+		    sff_8024_id[data & MLX5_EEPROM_IDENTIFIER_BYTE_MASK]);
 		return (EINVAL);
 	}
 	return (0);