+ rv = self.vapi.ipip_6rd_del_tunnel(rv.sw_if_index)
+ self.assertEqual(rv.retval, 0)
+ rv = self.vapi.ipip_6rd_add_tunnel(
+ 0, str(ip_address('2002::').packed),
+ 16, str(ip_address('0.0.0.0').packed),
+ 0, str(ip_address(self.pg0.local_ip4).packed), True)
+ self.tunnel_index = rv.sw_if_index
+ self.assertEqual(rv.retval, 0)
+