[   20.132075] secure_seq: tcp isn: 3846670420
[   20.132108] TCP: request_sock_TCP: Possible SYN flooding on port 0.0.0.0:45087. Sending cookies.
[   20.132361] secure_seq: tcpv6 isn: 2857300534
[   20.132375] TCP: request_sock_TCPv6: Possible SYN flooding on port [::]:47913. Sending cookies.