[  237.218801] sctp: Hash tables configured (bind 256/256)
[  254.253810] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  254.259252] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  254.263047] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  254.267950] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  254.277147] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  254.315654] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  254.341609] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  254.358772] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  254.371586] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  254.448627] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  300.241167] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  300.245776] br0: port 1(veth0) entered blocking state
[  300.245812] br0: port 1(veth0) entered disabled state
[  300.245848] veth0: entered allmulticast mode
[  300.245901] veth0: entered promiscuous mode
[  300.249265] br0: port 2(veth1) entered blocking state
[  300.249297] br0: port 2(veth1) entered disabled state
[  300.249339] veth1: entered allmulticast mode
[  300.249386] veth1: entered promiscuous mode
[  300.252640] br0: port 2(veth1) entered blocking state
[  300.252668] br0: port 2(veth1) entered forwarding state
[  300.252702] br0: port 1(veth0) entered blocking state
[  300.252732] br0: port 1(veth0) entered forwarding state
[  310.937888] br0: port 1(veth0) entered disabled state
[  310.938097] veth0 (unregistering): left allmulticast mode
[  310.938136] veth0 (unregistering): left promiscuous mode
[  310.938173] br0: port 1(veth0) entered disabled state
[  310.956199] br0: port 2(veth1) entered disabled state
[  310.956357] veth1 (unregistering): left allmulticast mode
[  310.956392] veth1 (unregistering): left promiscuous mode
[  310.956425] br0: port 2(veth1) entered disabled state