Knx timeouts, cloud timeouts and DPT

Dear all,

Anyway i have some Problems with my heater value, knx tunnel timeouts and timeouts to openhab cloud services. The cloud gets a timeout if i log into it via web browser, some hours ago it works and i didnt change anything. Same isue yesterday. Do you have an idea? Iam working on raspian pi 3. my knx router supports only one connection i think (merten inside ontrol knx gateway)

2017-10-18 18:48:09.950 [WARN ] [.binding.knx.internal.bus.KNXBinding] - Value '23.6' could not be sent to the KNX bus using datapoint 'command DP 5/3/5$2017-10-18 18:48:12.956 [WARN ] [al.bus.KNXBindingDatapointReaderTask] - Autorefresh: Cannot read value for item 'RolloWohnzimmerFenster' from KNX bus: $2017-10-18 18:48:12.956 [WARN ] [] - KNXnet/IP Tunneling response timeout waiting for confirma$