SLD 1.1.0 GraphicFill (Polygon Symbolizer) is not working

SLD 1.1.0 GraphicFill (Polygon Symbolizer) is not working.

SLD 1.0.0 GraphicFill is supported

Example: not working 1.1.0 request

SLD_BODY=
<?xml version="1.0" encoding="UTF-8"?>
<StyledLayerDescriptor version="1.1.0"
xsi:schemaLocation="http://www.opengis.net/sld StyledLayerDescriptor.xsd"
xmlns="http://www.opengis.net/sld"
xmlns:ogc="http://www.opengis.net/ogc"
xmlns:se="http://www.opengis.net/se"
xmlns:xlink="http://www.w3.org/1999/xlink"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<NamedLayer>
<se:Name>oge:natural</se:Name>
<UserStyle>
<se:FeatureTypeStyle>
<se:Rule>
<se:PolygonSymbolizer>
<se:Fill>
<se:GraphicFill>
<se:Graphic>
<se:ExternalGraphic>
<se:OnlineResource xlink:type="simple" xlink:href="http://www.opendem.info/opengisessentials_client/website/images/laub.png"/>
<se:Format>image/png</se:Format>
</se:ExternalGraphic>
<se:Size>20</se:Size>
</se:Graphic>
</se:GraphicFill>
</se:Fill>
</se:PolygonSymbolizer>
</se:Rule>
</se:FeatureTypeStyle>
</UserStyle>
</NamedLayer>
</StyledLayerDescriptor>

Example working 1.0.0 request:

<?xml version="1.0" encoding="UTF-8"?>
<StyledLayerDescriptor version="1.0.0">
<NamedLayer>
<Name>oge:natural</Name>
<UserStyle>
<FeatureTypeStyle>
<Rule>
<PolygonSymbolizer>
<Fill>
<GraphicFill>
<Graphic>
<ExternalGraphic>
<OnlineResource xmlns:xlink="http://www.w3.org/1999/xlink" xlink:type="simple" xlink:href="http://www.opendem.info/opengisessentials_client/website/images/laub.png"/>
<Format>image/png</Format>
</ExternalGraphic>
<Size>10</Size>
</Graphic>
</GraphicFill>
</Fill>
</PolygonSymbolizer>
</Rule>
</FeatureTypeStyle>
</UserStyle>
</NamedLayer>
</StyledLayerDescriptor>