@Nils: as Chris mentioned try to set it to 0 and then check with 'sudo nvme get-feature -f 0x0c -H /dev/nvme0' if its really disabled.
@Nils: as Chris mentioned try to set it to 0 and then check with 'sudo nvme get-feature -f 0x0c -H /dev/nvme0' if its really disabled.