[  231.520231] sctp: Hash tables configured (bind 256/256)
[  248.633755] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  248.666005] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  248.673416] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  248.720830] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  248.736925] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  248.758133] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  248.776090] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  248.839095] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  248.899377] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  248.942816] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  297.928082] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  297.933469] br0: port 1(veth0) entered blocking state
[  297.933537] br0: port 1(veth0) entered disabled state
[  297.933612] veth0: entered allmulticast mode
[  297.933707] veth0: entered promiscuous mode
[  297.937760] br0: port 2(veth1) entered blocking state
[  297.937795] br0: port 2(veth1) entered disabled state
[  297.937831] veth1: entered allmulticast mode
[  297.937887] veth1: entered promiscuous mode
[  297.942050] br0: port 2(veth1) entered blocking state
[  297.942119] br0: port 2(veth1) entered forwarding state
[  297.942196] br0: port 1(veth0) entered blocking state
[  297.942263] br0: port 1(veth0) entered forwarding state
[  308.383133] br0: port 1(veth0) entered disabled state
[  308.383361] veth0 (unregistering): left allmulticast mode
[  308.383403] veth0 (unregistering): left promiscuous mode
[  308.383428] br0: port 1(veth0) entered disabled state
[  308.398427] br0: port 2(veth1) entered disabled state
[  308.398668] veth1 (unregistering): left allmulticast mode
[  308.398708] veth1 (unregistering): left promiscuous mode
[  308.398747] br0: port 2(veth1) entered disabled state