nprofile1qy2hwumn8ghj7un9d3shjtnyd968gmewwp6kyqpqqv5atqz9k9c54q8c28kra6sfata0wk7w7x5gkrnde8vmxe5gt00q8mmv7s (nprofile…mv7s) that limitation on breakout speeds is _extremely_ common; it's generally a serdes quad with very limited clocking options. I'm a little surprised at this being flagged by you of all people 😂
On some devices it's even worse, AFAIR there's parts with 16 or 24 lanes sharing clock configs.