Scratch that, in order to work around another bug, I deleted and then attempted to recreate a VPN connection - the configuration dialog that appears is almost completely disabled. The only interesting thing coming out of stdout is lots of:
===================================================================== ** (nm-connection-editor:12444): WARNING **: Unsupported connection type 'generic' ===================================================================== When I 'sudo nm-applet', I was able to configure the VPN connection fine, so it must be a permissions issue. When the VPN connected it failed to set up a route to the subnet at the other end but I guess thats another story...
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