[  501.012292] sctp: Hash tables configured (bind 256/256)
[  501.452716] ip (31172) used greatest stack depth: 12040 bytes left
[  501.467377] ip (31173) used greatest stack depth: 11944 bytes left
[  519.926496] net_ratelimit: 2 callbacks suppressed
[  519.926502] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  519.927138] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  521.251493] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  521.296852] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  521.309998] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  522.060250] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  522.460498] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  522.518341] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  522.547731] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  522.577716] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.