[  237.903374] sctp: Hash tables configured (bind 256/256)
[  254.767724] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  254.768864] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  254.777847] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  254.779551] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  254.840675] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  254.844015] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  254.956604] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  255.070531] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  255.089559] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  255.110465] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  300.927026] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  300.932987] br0: port 1(veth0) entered blocking state
[  300.933024] br0: port 1(veth0) entered disabled state
[  300.933063] veth0: entered allmulticast mode
[  300.933128] veth0: entered promiscuous mode
[  300.937431] br0: port 2(veth1) entered blocking state
[  300.937496] br0: port 2(veth1) entered disabled state
[  300.937565] veth1: entered allmulticast mode
[  300.937652] veth1: entered promiscuous mode
[  300.942023] br0: port 2(veth1) entered blocking state
[  300.942056] br0: port 2(veth1) entered forwarding state
[  300.942095] br0: port 1(veth0) entered blocking state
[  300.942127] br0: port 1(veth0) entered forwarding state
[  311.456059] br0: port 1(veth0) entered disabled state
[  311.456293] veth0 (unregistering): left allmulticast mode
[  311.456336] veth0 (unregistering): left promiscuous mode
[  311.456361] br0: port 1(veth0) entered disabled state
[  311.472795] br0: port 2(veth1) entered disabled state
[  311.473057] veth1 (unregistering): left allmulticast mode
[  311.473099] veth1 (unregistering): left promiscuous mode
[  311.473124] br0: port 2(veth1) entered disabled state