(amd64)ubuntu@localhost:~$ sudo system-image-cli -C /writable/cache/system/etc/system-image -n -v
[systemimage] Oct 13 10:32:11 2015 (1186) Looking for blacklist: https://system-image.ubuntu.com/gpg/blacklist.tar.xz
[systemimage] Oct 13 10:32:11 2015 (1186) [0x7feebc98e438] Requesting group download:
	https://system-image.ubuntu.com/gpg/blacklist.tar.xz -> /var/lib/system-image/keyring.tar.xz
	https://system-image.ubuntu.com/gpg/blacklist.tar.xz.asc -> /var/lib/system-image/keyring.tar.xz.asc

[systemimage] Oct 13 10:32:11 2015 (1186) getprop command not found
Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/systemimage/device.py", line 43, in get_device
    'getprop ro.product.device'.split(), universal_newlines=True)
  File "/usr/lib/python3.4/subprocess.py", line 607, in check_output
    with Popen(*popenargs, stdout=PIPE, **kwargs) as process:
  File "/usr/lib/python3.4/subprocess.py", line 859, in __init__
    restore_signals, start_new_session)
  File "/usr/lib/python3.4/subprocess.py", line 1459, in _execute_child
    raise child_exception_type(errno_num, err_msg)
FileNotFoundError: [Errno 2] No such file or directory: 'getprop'
[systemimage] Oct 13 10:32:11 2015 (1186) Local blacklist file: /var/lib/system-image/blacklist.tar.xz
[systemimage] Oct 13 10:32:11 2015 (1186) Looking for: https://system-image.ubuntu.com/channels.json
[systemimage] Oct 13 10:32:11 2015 (1186) [0x7feebb3169b0] Requesting group download:
	https://system-image.ubuntu.com/channels.json -> /tmp/system-image-3zpyd5eh/channels.json
	https://system-image.ubuntu.com/channels.json.asc -> /tmp/system-image-3zpyd5eh/channels.json.asc

[systemimage] Oct 13 10:32:12 2015 (1186) Local channels file: /tmp/system-image-3zpyd5eh/channels.json
[systemimage] Oct 13 10:32:12 2015 (1186) no matching channel: daily
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