[*] Remounting '/dev/mmcblk0p3' to '/data'
[*] Creating ext4 filesystem 'dreambox-rootfs' on /dev/mmcblk0p2
mke2fs 1.43-WIP (18-May-2015)
Discarding device blocks:   4096/253952             done                            
Creating filesystem with 253952 4k blocks and 63488 inodes
Filesystem UUID: a68b5bcb-28fe-4e0b-a09d-d6f30a2122da
Superblock backups stored on blocks: 
    32768, 98304, 163840, 229376

Allocating group tables: 0/8   done                            
Writing inode tables: 0/8   done                            
Creating journal (4096 blocks): done
Writing superblocks and filesystem accounting information: 0/8   done

[*] Mounting '/dev/mmcblk0p2' to '/mnt'
[*] Extracting '/tmp/SLfpwb' to '/mnt'
[*] Mounting '/dev' to '/mnt/dev'
[*] Mounting '/proc' to '/mnt/proc'
[*] Mounting '/run' to '/mnt/run'
[*] Mounting '/sys' to '/mnt/sys'
[*] Mounting '/tmp' to '/mnt/tmp'
update-alternatives: error: cannot append to '/var/log/alternatives.log': No such file or directory
[*] Writing /boot/zImage-3.14-1.17-dm920 to /dev/mmcblk0p1
64+1 records in
64+1 records out
4249192 bytes (4.1MB) copied, 1.764993 seconds, 2.3MB/s
[*] Unmounting '/mnt/dev'
[*] Unmounting '/mnt/proc'
[*] Unmounting '/mnt/run'
[*] Unmounting '/mnt/sys'
[*] Unmounting '/mnt/tmp'
[*] Unmounting '/mnt'
[*] Unmounting '/data'
[*] Finished successfully. You may reboot now.