[  230.244022] sctp: Hash tables configured (bind 256/256)
[  247.103113] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  247.113883] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  247.153290] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  247.189996] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  247.229107] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  247.298965] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  247.325941] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  247.365888] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  247.391934] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  247.459929] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  294.190217] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  294.195322] br0: port 1(veth0) entered blocking state
[  294.195360] br0: port 1(veth0) entered disabled state
[  294.195403] veth0: entered allmulticast mode
[  294.195476] veth0: entered promiscuous mode
[  294.199583] br0: port 2(veth1) entered blocking state
[  294.199626] br0: port 2(veth1) entered disabled state
[  294.199665] veth1: entered allmulticast mode
[  294.199738] veth1: entered promiscuous mode
[  294.203432] br0: port 2(veth1) entered blocking state
[  294.203466] br0: port 2(veth1) entered forwarding state
[  294.203495] br0: port 1(veth0) entered blocking state
[  294.203522] br0: port 1(veth0) entered forwarding state
[  304.805979] br0: port 1(veth0) entered disabled state
[  304.806222] veth0 (unregistering): left allmulticast mode
[  304.806276] veth0 (unregistering): left promiscuous mode
[  304.806325] br0: port 1(veth0) entered disabled state
[  304.819639] br0: port 2(veth1) entered disabled state
[  304.819784] veth1 (unregistering): left allmulticast mode
[  304.819835] veth1 (unregistering): left promiscuous mode
[  304.819910] br0: port 2(veth1) entered disabled state