[  240.940357] sctp: Hash tables configured (bind 256/256)
[  257.868226] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  257.906678] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  257.916051] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  257.928245] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  257.928972] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  257.936591] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  257.948470] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  257.952996] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  257.963862] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  257.972766] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  305.001323] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  305.006861] br0: port 1(veth0) entered blocking state
[  305.006896] br0: port 1(veth0) entered disabled state
[  305.006936] veth0: entered allmulticast mode
[  305.006994] veth0: entered promiscuous mode
[  305.011159] br0: port 2(veth1) entered blocking state
[  305.011225] br0: port 2(veth1) entered disabled state
[  305.011292] veth1: entered allmulticast mode
[  305.011392] veth1: entered promiscuous mode
[  305.015535] br0: port 2(veth1) entered blocking state
[  305.015573] br0: port 2(veth1) entered forwarding state
[  305.015612] br0: port 1(veth0) entered blocking state
[  305.015644] br0: port 1(veth0) entered forwarding state
[  315.561185] br0: port 1(veth0) entered disabled state
[  315.561397] veth0 (unregistering): left allmulticast mode
[  315.561445] veth0 (unregistering): left promiscuous mode
[  315.561516] br0: port 1(veth0) entered disabled state
[  315.576869] br0: port 2(veth1) entered disabled state
[  315.577015] veth1 (unregistering): left allmulticast mode
[  315.577049] veth1 (unregistering): left promiscuous mode
[  315.577081] br0: port 2(veth1) entered disabled state