[  223.604983] sctp: Hash tables configured (bind 256/256)
[  240.488545] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  240.584640] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  240.704640] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  240.949641] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  241.373583] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  242.924649] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  292.097439] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  292.102205] br0: port 1(veth0) entered blocking state
[  292.102271] br0: port 1(veth0) entered disabled state
[  292.102341] veth0: entered allmulticast mode
[  292.102429] veth0: entered promiscuous mode
[  292.106092] br0: port 2(veth1) entered blocking state
[  292.106131] br0: port 2(veth1) entered disabled state
[  292.106167] veth1: entered allmulticast mode
[  292.106213] veth1: entered promiscuous mode
[  292.109705] br0: port 2(veth1) entered blocking state
[  292.109733] br0: port 2(veth1) entered forwarding state
[  292.109763] br0: port 1(veth0) entered blocking state
[  292.109793] br0: port 1(veth0) entered forwarding state
[  302.758946] br0: port 1(veth0) entered disabled state
[  302.759196] veth0 (unregistering): left allmulticast mode
[  302.759263] veth0 (unregistering): left promiscuous mode
[  302.759335] br0: port 1(veth0) entered disabled state
[  302.773382] br0: port 2(veth1) entered disabled state
[  302.773612] veth1 (unregistering): left allmulticast mode
[  302.773684] veth1 (unregistering): left promiscuous mode
[  302.773775] br0: port 2(veth1) entered disabled state