The bad news for everyone else is that Arsenal’s next generation is already here. Two mesmerising goals in a man-of-the-match display from Max Dowman underlined why the 16-year-old has been compared to a certain Lionel Messi by his manager, Mikel Arteta, as Ipswich were swatted aside with ease. Almost as impressive was the performance of 17-year-old Marli Salmon, who oozed class in central defence on only the second senior start of his career. Ipswich won here the last time these two sides met…