def __init__(self, groups=None):
        super(GroupedRequirements, self).__init__(NamedRequirements)
        self.groups = groups or self.default_groups
        self.filename = None
        self.create_default_groups()
def add_vpp_config(self):
        self._test.vapi.ip_punt_redirect(punt=self.encode(), is_add=True)
        self._test.registry.register(self, self._test.logger)