[  229.073768] sctp: Hash tables configured (bind 256/256)
[  246.052510] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  247.262412] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  247.300309] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  247.654651] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  247.872024] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  247.898338] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  247.948531] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  292.050004] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  292.055520] br0: port 1(veth0) entered blocking state
[  292.055599] br0: port 1(veth0) entered disabled state
[  292.055660] veth0: entered allmulticast mode
[  292.055720] veth0: entered promiscuous mode
[  292.059474] br0: port 2(veth1) entered blocking state
[  292.059545] br0: port 2(veth1) entered disabled state
[  292.059576] veth1: entered allmulticast mode
[  292.059636] veth1: entered promiscuous mode
[  292.063401] br0: port 2(veth1) entered blocking state
[  292.063455] br0: port 2(veth1) entered forwarding state
[  292.063494] br0: port 1(veth0) entered blocking state
[  292.063522] br0: port 1(veth0) entered forwarding state
[  302.750619] br0: port 1(veth0) entered disabled state
[  302.750852] veth0 (unregistering): left allmulticast mode
[  302.750890] veth0 (unregistering): left promiscuous mode
[  302.750938] br0: port 1(veth0) entered disabled state
[  302.766120] br0: port 2(veth1) entered disabled state
[  302.766299] veth1 (unregistering): left allmulticast mode
[  302.766363] veth1 (unregistering): left promiscuous mode
[  302.766426] br0: port 2(veth1) entered disabled state