[  237.266154] sctp: Hash tables configured (bind 256/256)
[  254.258083] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  255.104185] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  302.355262] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  302.360749] br0: port 1(veth0) entered blocking state
[  302.360789] br0: port 1(veth0) entered disabled state
[  302.360830] veth0: entered allmulticast mode
[  302.360885] veth0: entered promiscuous mode
[  302.364538] br0: port 2(veth1) entered blocking state
[  302.364607] br0: port 2(veth1) entered disabled state
[  302.364675] veth1: entered allmulticast mode
[  302.364768] veth1: entered promiscuous mode
[  302.368389] br0: port 2(veth1) entered blocking state
[  302.368475] br0: port 2(veth1) entered forwarding state
[  302.368545] br0: port 1(veth0) entered blocking state
[  302.368611] br0: port 1(veth0) entered forwarding state
[  312.986344] br0: port 1(veth0) entered disabled state
[  312.986570] veth0 (unregistering): left allmulticast mode
[  312.986609] veth0 (unregistering): left promiscuous mode
[  312.986639] br0: port 1(veth0) entered disabled state
[  313.006293] br0: port 2(veth1) entered disabled state
[  313.006449] veth1 (unregistering): left allmulticast mode
[  313.006510] veth1 (unregistering): left promiscuous mode
[  313.006547] br0: port 2(veth1) entered disabled state