[ 6430.328836][ T4163] secure_seq: tcpv6 isn: 2255193936
[ 6440.694432][ T4259] secure_seq: tcp isn: 2437603434
[ 6440.694760][    C3] TCP: request_sock_TCP: Possible SYN flooding on port 0.0.0.0:52873. Sending cookies.
[ 6440.700001][ T4259] secure_seq: tcpv6 isn: 3152565599
[ 6440.700076][    C3] TCP: request_sock_TCPv6: Possible SYN flooding on port [::]:48309. Sending cookies.