- manufacturer_name, default is "`uname -s`"
- manufacturer_url, default is URL of OS verndor
- model_name, default is "`uname -s` router"
- model_description, default is "`uname -s` router"
- model_url, default is URL of OS verndor
See UPNP Device Architecture v1.1, section 4.3.2 :
<variableName>
REQUIRED. Element is name of a state variable that changed (<name> sub element of
<stateVariable> element in service description). MUST NOT be qualified with any namespace. Value
is the new value for this state variable. Case sensitive. Single data type as specified by UPnP service
description.
