[  231.020470] sctp: Hash tables configured (bind 256/256)
[  247.829690] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  250.026136] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  294.092033] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  294.096621] br0: port 1(veth0) entered blocking state
[  294.096686] br0: port 1(veth0) entered disabled state
[  294.096759] veth0: entered allmulticast mode
[  294.096848] veth0: entered promiscuous mode
[  294.100226] br0: port 2(veth1) entered blocking state
[  294.100268] br0: port 2(veth1) entered disabled state
[  294.100305] veth1: entered allmulticast mode
[  294.100358] veth1: entered promiscuous mode
[  294.103634] br0: port 2(veth1) entered blocking state
[  294.103694] br0: port 2(veth1) entered forwarding state
[  294.103758] br0: port 1(veth0) entered blocking state
[  294.103818] br0: port 1(veth0) entered forwarding state
[  304.790207] br0: port 1(veth0) entered disabled state
[  304.790439] veth0 (unregistering): left allmulticast mode
[  304.790505] veth0 (unregistering): left promiscuous mode
[  304.790572] br0: port 1(veth0) entered disabled state
[  304.807105] br0: port 2(veth1) entered disabled state
[  304.807253] veth1 (unregistering): left allmulticast mode
[  304.807279] veth1 (unregistering): left promiscuous mode
[  304.807307] br0: port 2(veth1) entered disabled state