Gather metrics about connections states and interfaces counters
        using psutil facilities

def _check_psutil(self, instance):
        """
        Gather metrics about connections states and interfaces counters
        using psutil facilities
        """
        custom_tags = instance.get('tags', [])
        if self._collect_cx_state:
            self._cx_state_psutil(tags=custom_tags)

        self._cx_counters_psutil(tags=custom_tags)