[  236.893045] sctp: Hash tables configured (bind 256/256)
[  253.726658] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  253.738002] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  253.739723] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  253.859669] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  253.873722] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  253.901681] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  253.915756] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  253.972817] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  254.142685] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  254.385711] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  299.870864] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  299.875700] br0: port 1(veth0) entered blocking state
[  299.875733] br0: port 1(veth0) entered disabled state
[  299.875773] veth0: entered allmulticast mode
[  299.875833] veth0: entered promiscuous mode
[  299.879332] br0: port 2(veth1) entered blocking state
[  299.879365] br0: port 2(veth1) entered disabled state
[  299.879398] veth1: entered allmulticast mode
[  299.879454] veth1: entered promiscuous mode
[  299.882858] br0: port 2(veth1) entered blocking state
[  299.882890] br0: port 2(veth1) entered forwarding state
[  299.882924] br0: port 1(veth0) entered blocking state
[  299.882952] br0: port 1(veth0) entered forwarding state
[  310.431503] br0: port 1(veth0) entered disabled state
[  310.431795] veth0 (unregistering): left allmulticast mode
[  310.431868] veth0 (unregistering): left promiscuous mode
[  310.431960] br0: port 1(veth0) entered disabled state
[  310.448283] br0: port 2(veth1) entered disabled state
[  310.448422] veth1 (unregistering): left allmulticast mode
[  310.448451] veth1 (unregistering): left promiscuous mode
[  310.448482] br0: port 2(veth1) entered disabled state