self.assertEqual(len(new_addresses), 1)
prefix = list(new_addresses)[0][:8] + '\0\0\0\0\0\0\0\0'
self.assertEqual(inet_ntop(AF_INET6, prefix), '1::')
self.assertEqual(len(new_addresses), 1)
prefix = list(new_addresses)[0][:8] + '\0\0\0\0\0\0\0\0'
self.assertEqual(inet_ntop(AF_INET6, prefix), '1::')