def set_additional_attributes(attributes, name)
      if name =~ VIRTUAL_NAMES
        attributes[:virtual] = true
        if $1.nil? && name =~ BRIDGES
          attributes[:bridge] = true
        else
          attributes[:attached_to] = $1
        end
      else
        attributes[:virtual] = false
      end
      attributes
    end
def set_additional_attributes(attributes, name)
      if name =~ VIRTUAL_NAMES
        attributes[:virtual] = true
        if $1.nil? && name =~ BRIDGES
          attributes[:bridge] = true
        else
          attributes[:attached_to] = $1
        end
      else
        attributes[:virtual] = false
      end
      attributes
    end
adds attributes like virtual