freebsd-update fetch trying to update custom kernel

[Denis]

> If you're building your own customised kernel, why don't you just build the entire system from source? I've not used freebsd-update yet and probably won't. Is it just a matter of time, i.e. waiting for the compilation to finish?

Actually I built this system from source. And now use freebsd-update
just to install security patches (it seems to be easy and faster then
to rebuild world).

Best regards,
Denis