[  246.960440] sctp: Hash tables configured (bind 256/256)
[  264.013987] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  266.074570] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  266.667157] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  312.108657] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  312.114046] br0: port 1(veth0) entered blocking state
[  312.114124] br0: port 1(veth0) entered disabled state
[  312.114194] veth0: entered allmulticast mode
[  312.114299] veth0: entered promiscuous mode
[  312.118419] br0: port 2(veth1) entered blocking state
[  312.118488] br0: port 2(veth1) entered disabled state
[  312.118559] veth1: entered allmulticast mode
[  312.118647] veth1: entered promiscuous mode
[  312.122690] br0: port 2(veth1) entered blocking state
[  312.122760] br0: port 2(veth1) entered forwarding state
[  312.122827] br0: port 1(veth0) entered blocking state
[  312.122893] br0: port 1(veth0) entered forwarding state
[  322.736149] br0: port 1(veth0) entered disabled state
[  322.736448] veth0 (unregistering): left allmulticast mode
[  322.736494] veth0 (unregistering): left promiscuous mode
[  322.736528] br0: port 1(veth0) entered disabled state
[  322.751485] br0: port 2(veth1) entered disabled state
[  322.751715] veth1 (unregistering): left allmulticast mode
[  322.751759] veth1 (unregistering): left promiscuous mode
[  322.751790] br0: port 2(veth1) entered disabled state