def __init__(self, package, version):
        """Construct a new requirement.

        :param package: the package name.
        :param version: a semver compatible version specification.
        """
        self.package = package
        self.version = version
        if self.version and not re.match(r"[<=>~]", version[:2]):
            self.version = "=={}".format(self.version)
def add_vpp_config(self):
        self._test.vapi.ip_punt_police(policer_index=self._policer_index,
                                       is_ip6=self._is_ip6, is_add=True)