[  230.794685] sctp: Hash tables configured (bind 256/256)
[  248.229193] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  250.589361] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  293.662117] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  293.667039] br0: port 1(veth0) entered blocking state
[  293.667077] br0: port 1(veth0) entered disabled state
[  293.667106] veth0: entered allmulticast mode
[  293.667177] veth0: entered promiscuous mode
[  293.670793] br0: port 2(veth1) entered blocking state
[  293.670834] br0: port 2(veth1) entered disabled state
[  293.670872] veth1: entered allmulticast mode
[  293.670926] veth1: entered promiscuous mode
[  293.674494] br0: port 2(veth1) entered blocking state
[  293.674534] br0: port 2(veth1) entered forwarding state
[  293.674569] br0: port 1(veth0) entered blocking state
[  293.674598] br0: port 1(veth0) entered forwarding state
[  304.291736] br0: port 1(veth0) entered disabled state
[  304.291964] veth0 (unregistering): left allmulticast mode
[  304.292005] veth0 (unregistering): left promiscuous mode
[  304.292037] br0: port 1(veth0) entered disabled state
[  304.306721] br0: port 2(veth1) entered disabled state
[  304.306934] veth1 (unregistering): left allmulticast mode
[  304.306981] veth1 (unregistering): left promiscuous mode
[  304.307014] br0: port 2(veth1) entered disabled state