[  231.160192] sctp: Hash tables configured (bind 256/256)
[  247.107182] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  247.109517] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  247.110585] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  247.255297] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  247.444351] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  247.562475] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  247.664488] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  247.746426] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  247.915404] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  247.945387] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  294.096798] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  294.101868] br0: port 1(veth0) entered blocking state
[  294.101940] br0: port 1(veth0) entered disabled state
[  294.102012] veth0: entered allmulticast mode
[  294.102115] veth0: entered promiscuous mode
[  294.105774] br0: port 2(veth1) entered blocking state
[  294.105824] br0: port 2(veth1) entered disabled state
[  294.105861] veth1: entered allmulticast mode
[  294.105916] veth1: entered promiscuous mode
[  294.109545] br0: port 2(veth1) entered blocking state
[  294.109614] br0: port 2(veth1) entered forwarding state
[  294.109687] br0: port 1(veth0) entered blocking state
[  294.109754] br0: port 1(veth0) entered forwarding state
[  304.792615] br0: port 1(veth0) entered disabled state
[  304.792910] veth0 (unregistering): left allmulticast mode
[  304.792951] veth0 (unregistering): left promiscuous mode
[  304.792976] br0: port 1(veth0) entered disabled state
[  304.808026] br0: port 2(veth1) entered disabled state
[  304.808270] veth1 (unregistering): left allmulticast mode
[  304.808309] veth1 (unregistering): left promiscuous mode
[  304.808341] br0: port 2(veth1) entered disabled state