[  237.026431] sctp: Hash tables configured (bind 256/256)
[  254.275618] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  254.285426] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  254.329919] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  254.504728] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  254.725814] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  254.791728] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  254.921768] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  254.973764] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  255.041621] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  255.112695] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  300.328091] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  300.333001] br0: port 1(veth0) entered blocking state
[  300.333034] br0: port 1(veth0) entered disabled state
[  300.333074] veth0: entered allmulticast mode
[  300.333133] veth0: entered promiscuous mode
[  300.336627] br0: port 2(veth1) entered blocking state
[  300.336657] br0: port 2(veth1) entered disabled state
[  300.336697] veth1: entered allmulticast mode
[  300.336752] veth1: entered promiscuous mode
[  300.340287] br0: port 2(veth1) entered blocking state
[  300.340317] br0: port 2(veth1) entered forwarding state
[  300.340353] br0: port 1(veth0) entered blocking state
[  300.340385] br0: port 1(veth0) entered forwarding state
[  310.945596] br0: port 1(veth0) entered disabled state
[  310.945819] veth0 (unregistering): left allmulticast mode
[  310.945864] veth0 (unregistering): left promiscuous mode
[  310.945897] br0: port 1(veth0) entered disabled state
[  310.958876] br0: port 2(veth1) entered disabled state
[  310.959097] veth1 (unregistering): left allmulticast mode
[  310.959134] veth1 (unregistering): left promiscuous mode
[  310.959176] br0: port 2(veth1) entered disabled state