Unhandled Exception: System.OverflowException: Number overflow.
  at (wrapper managed-to-native) object:__icall_wrapper_mono_array_new_specific (intptr,int)
  at Mono.Upnp.Icon.GetData () [0x00000] in <filename unknown>:0
  at Mono.Upnp.GtkClient.LazyIcon.<OnMapped>m__4 (System.Object state) [0x00000] in <filename unknown>:0

Unhandled Exception: System.Net.Sockets.SocketException: The descriptor is not a socket
  at System.Net.Sockets.Socket.ReceiveFrom_nochecks_exc (System.Byte[] buf, Int32 offset, Int32 size, SocketFlags flags, System.Net.EndPoint& remote_end, Boolean throwOnError, System.Int32& error) [0x00000] in <filename unknown>:0
  at System.Net.Sockets.Socket.ReceiveFrom_nochecks (System.Byte[] buf, Int32 offset, Int32 size, SocketFlags flags, System.Net.EndPoint& remote_end) [0x00000] in <filename unknown>:0
  at System.Net.Sockets.Socket+Worker.ReceiveFrom () [0x00000] in <filename unknown>:0