[  236.993003] sctp: Hash tables configured (bind 256/256)
[  253.776253] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  253.982245] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  253.989305] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  254.314372] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  254.473999] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  254.853367] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  255.145040] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  255.236034] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  255.347660] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  255.383551] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  305.016559] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  305.022000] br0: port 1(veth0) entered blocking state
[  305.022072] br0: port 1(veth0) entered disabled state
[  305.022141] veth0: entered allmulticast mode
[  305.022233] veth0: entered promiscuous mode
[  305.026141] br0: port 2(veth1) entered blocking state
[  305.026181] br0: port 2(veth1) entered disabled state
[  305.026212] veth1: entered allmulticast mode
[  305.026266] veth1: entered promiscuous mode
[  305.030062] br0: port 2(veth1) entered blocking state
[  305.030130] br0: port 2(veth1) entered forwarding state
[  305.030204] br0: port 1(veth0) entered blocking state
[  305.030279] br0: port 1(veth0) entered forwarding state
[  315.566363] br0: port 1(veth0) entered disabled state
[  315.566588] veth0 (unregistering): left allmulticast mode
[  315.566622] veth0 (unregistering): left promiscuous mode
[  315.566653] br0: port 1(veth0) entered disabled state
[  315.580422] br0: port 2(veth1) entered disabled state
[  315.580623] veth1 (unregistering): left allmulticast mode
[  315.580657] veth1 (unregistering): left promiscuous mode
[  315.580688] br0: port 2(veth1) entered disabled state