[  832.908213] net_ratelimit: 14 callbacks suppressed
[  832.908225] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  833.054623] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  833.076721] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  834.320706] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  834.437189] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.

WAIT TIMEOUT stderr

Ctrl-C stderr

Ctrl-C stderr