Fedora 35 and nbd

[Valery Reznic]

Hello.Recently I faced strange problem - when I load nbd module on my freshly installed fedora 35 x86-64 there are only 8 nbd devices nbd0 - nbd7, while modinfo shows nbds_max=16When I load nbd with nbds_max=32 - same thing, 8 nbd devices.
But loading nbd with nbds_max<= 7 works like expected.
Looks like there is a limit somewhere.
I looked in the udev rules, in logs, but so far found nothing of interest.
Do you have any idea what it can be and how investigate the issue?
Valery
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