example:

# smartctl -a /dev/nvme0
smartctl 7.5 2025-04-30 r5714 [FreeBSD 14.3-RELEASE-p2 amd64] (local build)
Copyright (C) 2002-25, Bruce Allen, Christian Franke, www.smartmontools.org

=== START OF INFORMATION SECTION ===
Model Number: Samsung SSD 980 PRO 2TB
Serial Number: S6B0NG0R604351N
Firmware Version: 5B2QGXA7
PCI Vendor/Subsystem ID: 0x144d
IEEE OUI Identifier: 0x002538
Total NVM Capacity: 2,000,398,934,016 [2.00 TB]
Unallocated NVM Capacity: 0
Controller ID: 6
NVMe Version: 1.3
Number of Namespaces: 1
Namespace 1 Size/Capacity: 2,000,398,934,016 [2.00 TB]
Namespace 1 Utilization: 1,068,887,175,168 [1.06 TB]
Namespace 1 Formatted LBA Size: 512
Namespace 1 IEEE EUI-64: 002538 b61150404c
Local Time is: Thu Sep 25 11:15:57 2025 PDT
Firmware Updates (0x16): 3 Slots, no Reset required
Optional Admin Commands (0x0017): Security Format Frmw_DL Self_Test
Optional NVM Commands (0x0057): Comp Wr_Unc DS_Mngmt Sav/Sel_Feat Timestmp
Log Page Attributes (0x0f): S/H_per_NS Cmd_Eff_Lg Ext_Get_Lg Telmtry_Lg
Maximum Data Transfer Size: 128 Pages
Warning Comp. Temp. Threshold: 82 Celsius
Critical Comp. Temp. Threshold: 85 Celsius

Supported Power States
St Op Max Active Idle RL RT WL WT Ent_Lat Ex_Lat
0 + 8.49W - - 0 0 0 0 0 0
1 + 4.48W - - 1 1 1 1 0 200
2 + 3.18W - - 2 2 2 2 0 1000
3 - 0.0400W - - 3 3 3 3 2000 1200
4 - 0.0050W - - 4 4 4 4 500 9500

Supported LBA Sizes (NSID 0x1)
Id Fmt Data Metadt Rel_Perf
0 + 512 0 0

=== START OF SMART DATA SECTION ===
SMART overall-health self-assessment test result: PASSED

SMART/Health Information (NVMe Log 0x02, NSID 0xffffffff)
Critical Warning: 0x00
Temperature: 30 Celsius
Available Spare: 96%
Available Spare Threshold: 10%
Percentage Used: 91%
Data Units Read: 3,206,095,844 [1.64 PB]
Data Units Written: 2,044,433,376 [1.04 PB]
Host Read Commands: 62,454,506,739
Host Write Commands: 18,036,238,728
Controller Busy Time: 140,409
Power Cycles: 83
Power On Hours: 36,312
Unsafe Shutdowns: 48
Media and Data Integrity Errors: 569
Error Information Log Entries: 569
Warning Comp. Temperature Time: 0
Critical Comp. Temperature Time: 0
Temperature Sensor 1: 30 Celsius
Temperature Sensor 2: 37 Celsius

Error Information (NVMe Log 0x01, 16 of 64 entries)
No Errors Logged

Self-test Log (NVMe Log 0x06, NSID 0xffffffff)
Self-test status: No self-test in progress
No Self-tests Logged

I wonder why the kernel can't just detect whatever is being sent to the /dev/nvd device and automatically re-route it to /dev/nvme

Everyone who has automatic SMART monitoring has to add a special case for nvd devices now and it's very silly