QGIS cannot parse DescribeFeatureType result that refers to OMSF

[tazle]

The following DescribeFeatureType results could not be parsed by QGIS 2.18.4:

<xsd:schema targetNamespace="http://inspire.ec.europa.eu/schemas/ef/4.0" elementFormDefault="qualified" attributeFormDefault="unqualified"><xsd:include schemaLocation="http://inspire.ec.europa.eu/schemas/ef/4.0/EnvironmentalMonitoringFacilities.xsd"/><xsd:import namespace="http://inspire.ec.europa.eu/schemas/omso/3.0" schemaLocation="http://inspire.ec.europa.eu/schemas/omso/3.0/SpecialisedObservations.xsd"/><xsd:import namespace="http://www.opengis.net/omsf/1.0" schemaLocation="http://xml.fmi.fi/schema/omsf/1.0/omsf-profile.xsd"/><xsd:import namespace="http://xml.fmi.fi/namespace/aviation-weather/2014/02/15" schemaLocation="http://xml.fmi.fi/schema/aviation-weather/2014/02/15/fmiavi.xsd"/><xsd:import namespace="http://xml.fmi.fi/schema/wfs/2.0" schemaLocation="http://xml.fmi.fi/schema/wfs/2.0/fmi_wfs_simplefeature.xsd"/></xsd:schema>