[  234.710139] sctp: Hash tables configured (bind 256/256)
[  251.712566] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  254.004918] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  254.506206] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  297.705034] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  297.710466] br0: port 1(veth0) entered blocking state
[  297.710497] br0: port 1(veth0) entered disabled state
[  297.710535] veth0: entered allmulticast mode
[  297.710592] veth0: entered promiscuous mode
[  297.714314] br0: port 2(veth1) entered blocking state
[  297.714346] br0: port 2(veth1) entered disabled state
[  297.714384] veth1: entered allmulticast mode
[  297.714439] veth1: entered promiscuous mode
[  297.718125] br0: port 2(veth1) entered blocking state
[  297.718156] br0: port 2(veth1) entered forwarding state
[  297.718191] br0: port 1(veth0) entered blocking state
[  297.718221] br0: port 1(veth0) entered forwarding state
[  308.383522] br0: port 1(veth0) entered disabled state
[  308.383817] veth0 (unregistering): left allmulticast mode
[  308.383861] veth0 (unregistering): left promiscuous mode
[  308.383894] br0: port 1(veth0) entered disabled state
[  308.398793] br0: port 2(veth1) entered disabled state
[  308.399007] veth1 (unregistering): left allmulticast mode
[  308.399051] veth1 (unregistering): left promiscuous mode
[  308.399083] br0: port 2(veth1) entered disabled state