[ 2003.170680][    C0] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[ 2003.264854][    C0] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[ 2003.457504][    C0] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[ 2003.633369][    C1] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[ 2003.817576][    C0] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[ 2003.907554][    C2] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[ 2004.377268][    C1] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.