[ 1835.621326][    C3] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[ 1836.628821][    C2] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[ 1836.969294][    C2] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[ 1837.074822][    C3] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[ 1845.045988][T15581] ip (15581) used greatest stack depth: 23328 bytes left