[  228.497586] sctp: Hash tables configured (bind 256/256)
[  245.602637] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  245.672230] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  245.694004] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  245.701099] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  245.706063] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  245.719628] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  245.721815] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  245.732497] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  245.753627] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  245.773936] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  296.012992] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  296.018183] br0: port 1(veth0) entered blocking state
[  296.018253] br0: port 1(veth0) entered disabled state
[  296.018337] veth0: entered allmulticast mode
[  296.018428] veth0: entered promiscuous mode
[  296.022155] br0: port 2(veth1) entered blocking state
[  296.022186] br0: port 2(veth1) entered disabled state
[  296.022219] veth1: entered allmulticast mode
[  296.022285] veth1: entered promiscuous mode
[  296.025953] br0: port 2(veth1) entered blocking state
[  296.026018] br0: port 2(veth1) entered forwarding state
[  296.026086] br0: port 1(veth0) entered blocking state
[  296.026147] br0: port 1(veth0) entered forwarding state
[  306.344380] br0: port 1(veth0) entered disabled state
[  306.344579] veth0 (unregistering): left allmulticast mode
[  306.344610] veth0 (unregistering): left promiscuous mode
[  306.344639] br0: port 1(veth0) entered disabled state
[  306.358468] br0: port 2(veth1) entered disabled state
[  306.358605] veth1 (unregistering): left allmulticast mode
[  306.358633] veth1 (unregistering): left promiscuous mode
[  306.358664] br0: port 2(veth1) entered disabled state