cyril@ubuntu2:~$ sudo killall NetworkManager
NetworkManager: <WARNING>        nm_signal_handler (): Caught signal 15, shutting down normally.
NetworkManager: <WARNING>        nm_signal_handler (): Caught signal 15, shutting down normally.
NetworkManager: <WARNING>        nm_signal_handler (): Caught signal 15, shutting down normally.
NetworkManager: <information>   Caught terminiation signal
NetworkManager: <debug info>    [1143279691.711007] nm_print_open_socks (): Open Sockets List:
NetworkManager: <debug info>    [1143279691.711126] nm_print_open_socks (): Open Sockets List Done.
NetworkManager: <information>   Deactivating device eth0.
NetworkManager: <information>   Deactivating device eth1.
cyril@ubuntu2:~$ sudo killall NetworkManager
NetworkManager: aucun processus tué
[1]+  Done                    sudo NetworkManager --no-daemon
cyril@ubuntu2:~$ ps aux | grep knet
cyril     4914  0.3  1.3  28780 13272 pts/2    S    10:35   0:01 knetworkmanager
cyril     5017  0.0  0.0   2828   816 pts/1    S+   10:42   0:00 grep knet
cyril@ubuntu2:~$ sudo kill -9 4914
cyril@ubuntu2:~$ rm -rf ~/.kde/share/config/knetworkmanagerrc
cyril@ubuntu2:~$ sudo kwrite /etc/default/wpasupplicant &
[1] 5020
#here i modified he file from INTERFACE=EDITME to INTERFACE=eth1
[1]+  Done                    sudo kwrite /etc/default/wpasupplicant
cyril@ubuntu2:~$ sudo NetworkManager --no-daemon
NetworkManager: <information>   starting...
NetworkManager: <information>   eth0: Device is fully-supported using driver '8139too'.
NetworkManager: <information>   nm_device_init(): waiting for device's worker thread to start
NetworkManager: <information>   nm_device_init(): device's worker thread started, continuing.
NetworkManager: <information>   Now managing wired Ethernet (802.3) device 'eth0'.
NetworkManager: <information>   eth1: Device is fully-supported using driver 'ipw2200'.
NetworkManager: <information>   nm_device_init(): waiting for device's worker thread to start
NetworkManager: <information>   nm_device_init(): device's worker thread started, continuing.
NetworkManager: <information>   Now managing wireless (802.11) device 'eth1'.
NetworkManager: <debug info>    [1143279827.512792] nm_device_802_11_wireless_get_activation_ap (): Forcing AP 'WANADOO-F170'
NetworkManager: <information>   User Switch: /org/freedesktop/NetworkManager/Devices/eth1 / WANADOO-F170
NetworkManager: <information>   Deactivating device eth1.
NetworkManager: <information>   Device eth1 activation scheduled...
NetworkManager: <information>   Activation (eth1) started...
NetworkManager: <information>   Activation (eth1) Stage 1 of 5 (Device Prepare) scheduled...
NetworkManager: <information>   Activation (eth1) Stage 1 of 5 (Device Prepare) started...
NetworkManager: <information>   Activation (eth1) Stage 2 of 5 (Device Configure) scheduled...
NetworkManager: <information>   Activation (eth1) Stage 1 of 5 (Device Prepare) complete.
NetworkManager: <information>   Activation (eth1) Stage 2 of 5 (Device Configure) starting...
NetworkManager: <information>   Activation (eth1/wireless): access point 'WANADOO-F170' is encrypted, but NO valid key exists.  New key needed.
NetworkManager: <information>   Activation (eth1) New wireless user key requested for network 'WANADOO-F170'.
NetworkManager: <information>   Activation (eth1) Stage 2 of 5 (Device Configure) complete.
NetworkManager: <WARNING>        nm_dbus_get_user_key_for_network_cb (): nm_dbus_get_user_key_for_network_cb(): dbus returned an error.
  (org.freedesktop.DBus.Error.ServiceUnknown) The name org.freedesktop.NetworkManagerInfo was not provided by any .service files

NetworkManager: <information>   Deactivating device eth1.
NetworkManager: <information>   Activation (eth1): cancelling...
NetworkManager: <information>   Activation (eth1) cancellation handler scheduled...
NetworkManager: <information>   Activation (eth1): waiting for device to cancel activation.
NetworkManager: <information>   Activation (eth1) cancellation handled.
NetworkManager: <information>   Activation (eth1): cancelled.