Fresh install Ubuntu 16.04 with zfs on root

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I'm try to fresh install on my notebook MSI GS70 stealth pro with native ZFS on root.
Next instruction used: https://github.com/zfsonlinux/pkg-zfs/wiki/HOWTO-install-Ubuntu-16.04-to-a-Whole-Disk-Native-ZFS-Root-Filesystem-using-Ubiquity-GUI-installer

List disk partiioning:
root@ubuntu:~# sgdisk -p /dev/disk/by-id/ata-HGST_HTS721010A9E630_JR10006P0JWU5F
Disk /dev/disk/by-id/ata-HGST_HTS721010A9E630_JR10006P0JWU5F: 1953525168 sectors, 931.5 GiB
Logical sector size: 512 bytes
Disk identifier (GUID): D558C8A8-21F2-4FA9-A8A8-61C0CF6442F9
Partition table holds up to 128 entries
First usable sector is 34, last usable sector is 1953525134
Partitions will be aligned on 8-sector boundaries
Total free space is 0 sectors (0 bytes)

Number Start (sector) End (sector) Size Code Name
   1 1050624 1953508743 931.0 GiB BF01
   2 34 2047 1007.0 KiB EF02
   3 2048 1050623 512.0 MiB EF00
   9 1953508744 1953525134 8.0 MiB BF07

Zfs parts:
root@ubuntu:~# zpool list
NAME SIZE ALLOC FREE EXPANDSZ FRAG CAP DEDUP HEALTH ALTROOT
rpool 928G 3,80G 924G - 0% 0% 1.09x ONLINE -
root@ubuntu:~# zfs list
NAME USED AVAIL REFER MOUNTPOINT
rpool 44,6G 855G 96K /rpool
rpool/swap 34,0G 889G 108K -
rpool/ubuntu-2 100K 855G 100K /media/ubuntu-2
rpool/ubuntu-temp 10,3G 861G 3,87G -

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: ubiquity 2.21.63.2
ProcVersionSignature: Ubuntu 4.4.0-31.50-generic 4.4.13
Uname: Linux 4.4.0-31-generic x86_64
NonfreeKernelModules: zfs zunicode zcommon znvpair zavl
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
CasperVersion: 1.376
Date: Tue Sep 13 23:36:49 2016
InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz.efi file=/cdrom/preseed/ubuntu.seed boot=casper quiet splash ---
LiveMediaBuild: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719)
SourcePackage: grub-installer
UpgradeStatus: No upgrade log present (probably fresh install)