[  244.098901] sctp: Hash tables configured (bind 256/256)
[  259.897808] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  259.900590] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  259.903343] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  260.099601] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  260.218666] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  260.286627] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  260.351721] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  260.385655] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  260.425777] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  260.508668] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  305.939305] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  305.944326] br0: port 1(veth0) entered blocking state
[  305.944396] br0: port 1(veth0) entered disabled state
[  305.944470] veth0: entered allmulticast mode
[  305.944561] veth0: entered promiscuous mode
[  305.948188] br0: port 2(veth1) entered blocking state
[  305.948256] br0: port 2(veth1) entered disabled state
[  305.948327] veth1: entered allmulticast mode
[  305.948415] veth1: entered promiscuous mode
[  305.951969] br0: port 2(veth1) entered blocking state
[  305.952034] br0: port 2(veth1) entered forwarding state
[  305.952102] br0: port 1(veth0) entered blocking state
[  305.952173] br0: port 1(veth0) entered forwarding state
[  316.569533] br0: port 1(veth0) entered disabled state
[  316.569790] veth0 (unregistering): left allmulticast mode
[  316.569897] veth0 (unregistering): left promiscuous mode
[  316.570001] br0: port 1(veth0) entered disabled state
[  316.589061] br0: port 2(veth1) entered disabled state
[  316.589263] veth1 (unregistering): left allmulticast mode
[  316.589331] veth1 (unregistering): left promiscuous mode
[  316.589398] br0: port 2(veth1) entered disabled state