/dev/ipnat - no device ? FreeBSD 12.1-STABLE r362880 GENERIC amd64
Do you have ipl.ko loaded?
is already irrelevant. In the documentation about the construction site, there is no description of this module. Loaded.
ок
I believe setting ipfilter_enable="YES" in rc.conf will cause the module to be loaded.
Not. It is necessary to prescribe. loader.conf ipl_load="YES"