[  242.547781] sctp: Hash tables configured (bind 256/256)
[  259.915688] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  259.937290] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  259.978357] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  260.000971] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  260.007400] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  260.047273] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  260.076434] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  260.087444] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  260.122150] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  260.182270] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  309.090447] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  309.096328] br0: port 1(veth0) entered blocking state
[  309.096402] br0: port 1(veth0) entered disabled state
[  309.096475] veth0: entered allmulticast mode
[  309.096567] veth0: entered promiscuous mode
[  309.100901] br0: port 2(veth1) entered blocking state
[  309.100942] br0: port 2(veth1) entered disabled state
[  309.100985] veth1: entered allmulticast mode
[  309.101049] veth1: entered promiscuous mode
[  309.105189] br0: port 2(veth1) entered blocking state
[  309.105233] br0: port 2(veth1) entered forwarding state
[  309.105280] br0: port 1(veth0) entered blocking state
[  309.105318] br0: port 1(veth0) entered forwarding state
[  319.648782] br0: port 1(veth0) entered disabled state
[  319.649074] veth0 (unregistering): left allmulticast mode
[  319.649178] veth0 (unregistering): left promiscuous mode
[  319.649241] br0: port 1(veth0) entered disabled state
[  319.666996] br0: port 2(veth1) entered disabled state
[  319.667202] veth1 (unregistering): left allmulticast mode
[  319.667271] veth1 (unregistering): left promiscuous mode
[  319.667362] br0: port 2(veth1) entered disabled state