[  502.592789] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  502.604836] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  502.609190] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  502.839343] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  502.849747] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  502.853063] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  502.857360] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  502.862774] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  502.865410] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  502.869367] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  548.441097] br0: port 1(veth0) entered blocking state
[  548.441147] br0: port 1(veth0) entered disabled state
[  548.441187] veth0: entered allmulticast mode
[  548.441246] veth0: entered promiscuous mode
[  548.444507] br0: port 2(veth1) entered blocking state
[  548.444540] br0: port 2(veth1) entered disabled state
[  548.444575] veth1: entered allmulticast mode
[  548.444636] veth1: entered promiscuous mode
[  548.447958] br0: port 2(veth1) entered blocking state
[  548.447997] br0: port 2(veth1) entered forwarding state
[  548.448026] br0: port 1(veth0) entered blocking state
[  548.448058] br0: port 1(veth0) entered forwarding state
[  558.755067] br0: port 1(veth0) entered disabled state
[  558.755282] veth0 (unregistering): left allmulticast mode
[  558.755320] veth0 (unregistering): left promiscuous mode
[  558.755354] br0: port 1(veth0) entered disabled state
[  558.775019] br0: port 2(veth1) entered disabled state
[  558.775193] veth1 (unregistering): left allmulticast mode
[  558.775231] veth1 (unregistering): left promiscuous mode
[  558.775259] br0: port 2(veth1) entered disabled state