[ 284.534158] sctp: Hash tables configured (bind 256/256) [ 284.791609] ip (19877) used greatest stack depth: 11976 bytes left [ 303.175088] net_ratelimit: 2 callbacks suppressed [ 303.175092] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies. [ 303.721460] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies. [ 303.745371] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies. [ 303.763258] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.