[ 247.890929] sctp: Hash tables configured (bind 256/256) [ 247.997728] ip (32287) used greatest stack depth: 12120 bytes left [ 266.316876] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies. [ 266.542126] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies. [ 266.755748] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies. [ 266.760804] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.