Interface hierarchy
*******************

Service name	org.freedesktop.connman
Interface name	org.freedesktop.connman.Interface
Object path	[interface object]

Methods		dict GetProperties()
		string GetState()
		uint16 GetSignal()
		string GetPolicy()
		void SetPolicy(string policy)
		dict GetNetwork()
		void SetNetwork(dict network)
		dict GetIPv4()
		void SetIPv4(dict ipv4)

Signals		StateChanged(string state)
		SignalChanged(uint16 signal)
		PolicyChanged(string policy)
		NetworkFound(dict network)
		NetworkChanged(dict network)
		IPv4Changed(dict ipv4)