VPN failes under KDE

[detsky]

Being disappointed by Gnome3 I am moving to KDE. Everything is fine, but VPN does not work (under Gnome ok.). Anyone has a similar experience?

Kernel: 3.3.5-2.fc16.x86_64

messages:
... NetworkManager[949]: <info> Starting VPN service 'vpnc'...
... NetworkManager[949]: <info> VPN service 'vpnc' started (org.freedesktop.NetworkManager.vpnc), PID 7715
... NetworkManager[949]: <info> VPN service 'vpnc' appeared; activating connections
... NetworkManager[949]: <info> VPN plugin state changed: init (1)
... dbus-daemon[1019]: ** Message: No devices in use, exit
... dbus-daemon[1019]: ** (upowerd:1524): WARNING **: Property get or set does not have an interface string as first arg
... dbus-daemon[1019]: ** (upowerd:1524): WARNING **: Property get or set does not have an interface string as first arg
... NetworkManager[949]: <info> VPN plugin state changed: starting (3)
... NetworkManager[949]: <info> VPN connection 'XXX' (Connect) reply received.
... avahi-daemon[981]: Withdrawing workstation service for tun0.
... kernel: [ 9542.388513] libfcoe_device_notification: NETDEV_UNREGISTER tun0
... lldpad[1077]: netlink: 20 bytes leftover after parsing attributes.
... NetworkManager[949]: <warn> VPN plugin failed: 0
... NetworkManager[949]: <info> VPN plugin state changed: stopped (6)
... NetworkManager[949]: <info> VPN plugin state change reason: 10
... NetworkManager[949]: <warn> error disconnecting VPN: Could not process the request because no VPN connection was active.
... NetworkManager[949]: <info> Policy set 'XXX (automatisch)' (wlan0) as default for IPv4 routing and DNS.
... NetworkManager[949]: <info> VPN service 'vpnc' disappeared