[  237.972619] sctp: Hash tables configured (bind 256/256)
[  254.808507] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  254.812609] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  254.835026] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  254.838531] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  254.851448] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  254.889336] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  254.933670] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  255.039027] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  255.103102] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  255.112098] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  308.138546] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  308.144155] br0: port 1(veth0) entered blocking state
[  308.144230] br0: port 1(veth0) entered disabled state
[  308.144305] veth0: entered allmulticast mode
[  308.144423] veth0: entered promiscuous mode
[  308.148412] br0: port 2(veth1) entered blocking state
[  308.148450] br0: port 2(veth1) entered disabled state
[  308.148490] veth1: entered allmulticast mode
[  308.148545] veth1: entered promiscuous mode
[  308.152564] br0: port 2(veth1) entered blocking state
[  308.152636] br0: port 2(veth1) entered forwarding state
[  308.152710] br0: port 1(veth0) entered blocking state
[  308.152775] br0: port 1(veth0) entered forwarding state
[  318.620103] br0: port 1(veth0) entered disabled state
[  318.620386] veth0 (unregistering): left allmulticast mode
[  318.620497] veth0 (unregistering): left promiscuous mode
[  318.620571] br0: port 1(veth0) entered disabled state
[  318.634691] br0: port 2(veth1) entered disabled state
[  318.634895] veth1 (unregistering): left allmulticast mode
[  318.634992] veth1 (unregistering): left promiscuous mode
[  318.635059] br0: port 2(veth1) entered disabled state