Jan 18 15:16:31 server kernel: [335242.957805] net_ratelimit: 6 callbacks suppressed
Jan 18 15:16:31 server kernel: [335242.957814] TCP: Possible SYN flooding on port 6890. Sending cookies.
Jan 18 15:16:31 server kernel: [335242.964447] TCP: Possible SYN flooding on port 6890. Sending cookies.
Jan 18 15:16:31 server kernel: [335242.970428] TCP: Possible SYN flooding on port 6890. Sending cookies.
Jan 18 15:16:31 server kernel: [335242.978244] TCP: Possible SYN flooding on port 6890. Sending cookies.
Jan 18 15:16:31 server kernel: [335242.983310] TCP: Possible SYN flooding on port 6890. Sending cookies.
Jan 18 15:16:31 server kernel: [335242.990208] TCP: Possible SYN flooding on port 6890. Sending cookies.
Jan 18 15:16:31 server kernel: [335242.997459] TCP: Possible SYN flooding on port 6890. Sending cookies.
Jan 18 15:16:31 server kernel: [335243.002680] TCP: Possible SYN flooding on port 6890. Sending cookies.
Jan 18 15:16:31 server kernel: [335243.010098] TCP: Possible SYN flooding on port 6890. Sending cookies.
Jan 18 15:16:31 server kernel: [335243.017419] TCP: Possible SYN flooding on port 6890. Sending cookies.