mptcp_info2sockaddr
mptcp_info2sockaddr(&entry->addr, &addr, entry->addr.family);
void mptcp_info2sockaddr(const struct mptcp_addr_info *info,
mptcp_info2sockaddr(&local->addr, &addr, ssk->sk_family);
mptcp_info2sockaddr(remote, &addr, ssk->sk_family);