MPTCP_SUBFLOW_ATTR_ID_REM
nla_put_u8(skb, MPTCP_SUBFLOW_ATTR_ID_REM, sf->remote_id) ||
tb[MPTCP_SUBFLOW_ATTR_ID_REM] &&
rta_getattr(__u8, tb[MPTCP_SUBFLOW_ATTR_ID_REM]),