docs: 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)