[  247.881385] sctp: Hash tables configured (bind 256/256)
[  265.030768] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  265.124857] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  265.152729] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  265.164735] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  265.206706] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  265.218719] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  265.337818] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  265.378748] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  265.390767] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  265.442679] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  311.026832] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  311.031780] br0: port 1(veth0) entered blocking state
[  311.031815] br0: port 1(veth0) entered disabled state
[  311.031852] veth0: entered allmulticast mode
[  311.031912] veth0: entered promiscuous mode
[  311.035437] br0: port 2(veth1) entered blocking state
[  311.035472] br0: port 2(veth1) entered disabled state
[  311.035511] veth1: entered allmulticast mode
[  311.035566] veth1: entered promiscuous mode
[  311.038972] br0: port 2(veth1) entered blocking state
[  311.039005] br0: port 2(veth1) entered forwarding state
[  311.039043] br0: port 1(veth0) entered blocking state
[  311.039077] br0: port 1(veth0) entered forwarding state
[  321.697324] br0: port 1(veth0) entered disabled state
[  321.697560] veth0 (unregistering): left allmulticast mode
[  321.697625] veth0 (unregistering): left promiscuous mode
[  321.697688] br0: port 1(veth0) entered disabled state
[  321.713291] br0: port 2(veth1) entered disabled state
[  321.713467] veth1 (unregistering): left allmulticast mode
[  321.713561] veth1 (unregistering): left promiscuous mode
[  321.713625] br0: port 2(veth1) entered disabled state