TR064 Fritzbox Binding Connection errors

Hi,

I have problems with my Fritzbox TR064 binding.
I have either the first error messages in my log or the binding just shuts itself down.
Any hints on how to debug it?

Daniel

ps. Openhab is working from a Docker container

2019-01-13 20:27:23.098 [WARN ] [ing.fritzboxtr064.internal.Tr064Comm] - Error retrieving SOAP response from FritzBox
2019-01-13 20:27:27.105 [ERROR] [ing.fritzboxtr064.internal.Tr064Comm] - Cannot send/receive: Connect to 10.0.2.1:49443 [/10.0.2.1] failed: connect timed out
2019-01-13 20:27:27.106 [WARN ] [ing.fritzboxtr064.internal.Tr064Comm] - Releasing connection to FritzBox because of error.
2019-01-13 20:27:27.109 [WARN ] [ing.fritzboxtr064.internal.Tr064Comm] - Error retrieving SOAP response from FritzBox
2019-01-13 20:38:13.782 [INFO ] [b.core.service.AbstractActiveService] - FritzboxTr064 Refresh Service has been started
2019-01-13 20:38:29.359 [INFO ] [b.core.service.AbstractActiveService] - FritzboxTr064 Refresh Service has been shut down
2019-01-13 20:43:20.013 [INFO ] [b.core.service.AbstractActiveService] - FritzboxTr064 Refresh Service has been started
2019-01-13 20:44:34.009 [INFO ] [b.core.service.AbstractActiveService] - FritzboxTr064 Refresh Service has been shut down