From the logtrace above, it seems that network-manager leaves to the management interface (in my case network-manager-openvpn-kde) the duty to request the passphrase from the user (which makes sense).
The package affected is therefore definitely network-manager-openvpn-kde (and it indeed works nicely with Gnome).
From the logtrace above, it seems that network-manager leaves to the management interface (in my case network- manager- openvpn- kde) the duty to request the passphrase from the user (which makes sense). manager- openvpn- kde (and it indeed works nicely with Gnome).
The package affected is therefore definitely network-