[  227.987415] sctp: Hash tables configured (bind 256/256)
[  245.023902] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  245.038778] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  245.064399] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  245.099401] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  245.173283] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  245.182392] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  245.304438] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  245.368394] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  245.442403] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  245.467393] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  297.723578] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  297.728942] br0: port 1(veth0) entered blocking state
[  297.728976] br0: port 1(veth0) entered disabled state
[  297.729015] veth0: entered allmulticast mode
[  297.729069] veth0: entered promiscuous mode
[  297.732886] br0: port 2(veth1) entered blocking state
[  297.732952] br0: port 2(veth1) entered disabled state
[  297.733020] veth1: entered allmulticast mode
[  297.733105] veth1: entered promiscuous mode
[  297.736946] br0: port 2(veth1) entered blocking state
[  297.736976] br0: port 2(veth1) entered forwarding state
[  297.737011] br0: port 1(veth0) entered blocking state
[  297.737044] br0: port 1(veth0) entered forwarding state
[  308.377478] br0: port 1(veth0) entered disabled state
[  308.377723] veth0 (unregistering): left allmulticast mode
[  308.377754] veth0 (unregistering): left promiscuous mode
[  308.377783] br0: port 1(veth0) entered disabled state
[  308.391334] br0: port 2(veth1) entered disabled state
[  308.391505] veth1 (unregistering): left allmulticast mode
[  308.391534] veth1 (unregistering): left promiscuous mode
[  308.391565] br0: port 2(veth1) entered disabled state