CTA_EXPECT_MASK
[CTA_EXPECT_MASK] = { .type = NLA_NESTED },
return ctnetlink_parse_tuple(cda, mask, CTA_EXPECT_MASK,
nest_parms = nla_nest_start(skb, CTA_EXPECT_MASK);
err = ctnetlink_parse_tuple(cda, &mask, CTA_EXPECT_MASK,
|| !cda[CTA_EXPECT_MASK]