After updating to TW 20151014 it is no longer possible to connect via
openconnect using NetworkManager to Cisco backed infrastructure.

The same behavior is observed with vpnc

Using the previously functioning VPN configuration through NetworkManager does
not establish the VPN connection. Unfortunately I cannot provide the message
form the notification popup as I accidentally clicked the "Don't show this
message again" button in the notification popup.

With vpnc the password for the VPN connection is not accepted.