[  230.850049] sctp: Hash tables configured (bind 256/256)
[  247.608577] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  247.619030] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  247.624001] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  247.656827] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  247.776831] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  247.825783] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  247.845808] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  247.865765] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  247.875621] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  247.951672] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  294.737975] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  294.742821] br0: port 1(veth0) entered blocking state
[  294.742854] br0: port 1(veth0) entered disabled state
[  294.742898] veth0: entered allmulticast mode
[  294.742957] veth0: entered promiscuous mode
[  294.746464] br0: port 2(veth1) entered blocking state
[  294.746492] br0: port 2(veth1) entered disabled state
[  294.746526] veth1: entered allmulticast mode
[  294.746574] veth1: entered promiscuous mode
[  294.750024] br0: port 2(veth1) entered blocking state
[  294.750055] br0: port 2(veth1) entered forwarding state
[  294.750091] br0: port 1(veth0) entered blocking state
[  294.750122] br0: port 1(veth0) entered forwarding state
[  305.324609] br0: port 1(veth0) entered disabled state
[  305.324835] veth0 (unregistering): left allmulticast mode
[  305.324871] veth0 (unregistering): left promiscuous mode
[  305.324903] br0: port 1(veth0) entered disabled state
[  305.344331] br0: port 2(veth1) entered disabled state
[  305.344667] veth1 (unregistering): left allmulticast mode
[  305.344711] veth1 (unregistering): left promiscuous mode
[  305.344744] br0: port 2(veth1) entered disabled state