Hello!
I have two SSD M.2 ADATA 512GB SX6000 LITE (ASX6000LNP-512GT-C), but only one of them detected in linux.
Dmesg log
[ 0.720367] nvme nvme0: pci function 0000:01:00.0
[ 0.720415] nvme nvme1: pci function 0000:1f:00.0
[ 0.942706] nvme nvme1: ignoring ctrl due to duplicate subnqn...