mount_psshfs doesn't work

[Aleksey Cheusov <cheusov%tut.by@localhost>]

I'm trying to mount remote file system using puffs sshfs.
Typescript is below. What am I doing wrong?
Kernel is the default GENERIC.

0 cheusov>mount_psshfs cheusov@localhost:/home/cheusov ~/rmt_home
mount_psshfs: puffs_daemon: Operation not permitted
mount_psshfs: puffs_mount: Operation not permitted
1 cheusov>modstat | grep puffs
puffs            vfs        filesys    0     35936    putter
0 0 cheusov>ls -laL /dev/puffs 
crw-rw----  1 root  syntagma  178, 0 Jun  3 16:08 /dev/puffs
0 cheusov>id
uid=10040(cheusov) gid=10001(syntagma) groups=10001(syntagma),0(wheel)
0 cheusov>ssh localhost ls -ld /home/cheusov
drwxr-xr-x  71 cheusov  syntagma  4096 Oct 25 11:57 /home/cheusov
0 cheusov>uname -srm
NetBSD 5.99.53 i386

0 cheusov>