[  238.605194] sctp: Hash tables configured (bind 256/256)
[  254.801787] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  255.911721] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  256.080799] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  256.577770] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  256.723543] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  256.977817] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  307.472001] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  307.477533] br0: port 1(veth0) entered blocking state
[  307.477607] br0: port 1(veth0) entered disabled state
[  307.477677] veth0: entered allmulticast mode
[  307.477776] veth0: entered promiscuous mode
[  307.481698] br0: port 2(veth1) entered blocking state
[  307.481765] br0: port 2(veth1) entered disabled state
[  307.481831] veth1: entered allmulticast mode
[  307.481918] veth1: entered promiscuous mode
[  307.485806] br0: port 2(veth1) entered blocking state
[  307.485869] br0: port 2(veth1) entered forwarding state
[  307.485935] br0: port 1(veth0) entered blocking state
[  307.485997] br0: port 1(veth0) entered forwarding state
[  318.116931] br0: port 1(veth0) entered disabled state
[  318.117160] veth0 (unregistering): left allmulticast mode
[  318.117208] veth0 (unregistering): left promiscuous mode
[  318.117245] br0: port 1(veth0) entered disabled state
[  318.133452] br0: port 2(veth1) entered disabled state
[  318.133670] veth1 (unregistering): left allmulticast mode
[  318.133764] veth1 (unregistering): left promiscuous mode
[  318.133801] br0: port 2(veth1) entered disabled state