Cannot use cnetworkmanager to activate "Auto eth0"

thnov@thomas-desktop:/Downloads/cnetworkmanager-0.21.1$ ./cnetworkmanager --activate-connection="system,Auto eth0,eth0"
Traceback (most recent call last):
File "./cnetworkmanager", line 317, in
(svc, conpath, devpath, appath) = options.activate_connection.split(',')
ValueError: need more than 3 values to unpack
thnov@thomas-desktop:/Downloads/cnetworkmanager-0.21.1$ ./cnetworkmanager --activate-connection="system,0,eth0"Traceback (most recent call last):
File "./cnetworkmanager", line 317, in
(svc, conpath, devpath, appath) = options.activate_connection.split(',')
ValueError: need more than 3 values to unpack
thnov@thomas-desktop:/Downloads/cnetworkmanager-0.21.1$ ./cnetworkmanager --activate-connection="system,Auto eth0"
Traceback (most recent call last):
File "./cnetworkmanager", line 317, in
(svc, conpath, devpath, appath) = options.activate_connection.split(',')
ValueError: need more than 2 values to unpack
thnov@thomas-desktop:/Downloads/cnetworkmanager-0.21.1$ dpkg -l | grep network-manager
ii network-manager 0.8rc2-0ubuntu1 network management framework daemon
ii network-manager-dev 0.8rc2-0ubuntu1 network management framework (development fi
ii network-manager-gnome 0.8rc2-0ubuntu1 network management framework (GNOME frontend
ii network-manager-vpnc 0.8rc1-0ubuntu2 network management framework (VPNC plugin)
thnov@thomas-desktop:~/Downloads/cnetworkmanager-0.21.1$ ./cnetworkmanager --con-info="system,Auto eth0"
Section | Property | Value
---------------+-------------+-------------------------------------
802-3-ethernet | |
| mac-address | �}��P
connection | |
| type | 802-3-ethernet
| uuid | 5611db15-4b37-4f58-998b-ca3498a6fdf6
| id | Auto eth0
Traceback (most recent call last):
File "./cnetworkmanager", line 253, in
secu = cs[type]["security"]
KeyError: 'security'

Am I doing something wrong or is there a problem in cnetworkmanager?

The syntax is pretty strange, found that it works if I do it like this:

./cnetworkmanager --activate-connection=system,'Auto eth0',eth0,

Note the trailing ','