kern/56802: npf "kernel diagnostic assertion "ret == param" failed" early in boot

[nia%pkgsrc.org@localhost]

>Number:         56802
>Category:       kern
>Synopsis:       npf "kernel diagnostic assertion "ret == param" failed" early in boot
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Sun Apr 24 09:00:00 +0000 2022
>Originator:     nia
>Release:        HEAD
>Organization:
The NetBSD Foundation
>Environment:
NetBSD amnesia 9.99.96 NetBSD 9.99.96 (GENERIC) #9: Fri Apr 15 23:51:06 CEST 2022  nia@amnesia:/src/obj/sys/arch/amd64/compile/GENERIC amd64
>Description:
[     1.744446] panic: kernel diagnostic assertion "ret == param" failed: file "/src/src/sys/net/npf/npf_params.c", line 187 
[     1.744446] cpu0: Begin traceback...
[     1.744446] vpanic() at netbsd:vpanic+0x156
[     1.744446] kern_assert() at netbsd:kern_assert+0x4b
[     1.744446] ahcisata0 port 1: device present, speed: 6.0Gb/s
[     1.744446] npf_param_register() at netbsd:npf_param_register+0x143
[     1.779327] npf_conndb_sysinit() at netbsd:npf_conndb_sysinit+0x98
[     1.779327] npf_conn_init() at netbsd:npf_conn_init+0x121
[     1.779327] npfk_create() at netbsd:npfk_create+0x77
[     1.784984] npf_modcmd() at netbsd:npf_modcmd+0x70
[     1.784984] module_do_builtin() at netbsd:module_do_builtin+0x17d
[     1.784984] module_init_class() at netbsd:module_init_class+0x1cf
[     1.784984] main() at netbsd:main+0x507
>How-To-Repeat:
Not reproducible, seems very rare and random.
>Fix: