[  468.581896][T17064] sctp: Hash tables configured (bind 32/56)
[  489.147270][    C2] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  489.597441][    C0] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  490.177887][    C1] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  490.531099][    C1] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  490.685834][    C1] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  490.946556][    C1] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  491.128582][    C1] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  491.747785][    C1] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  491.837676][    C3] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  550.925080][T17688] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  550.983069][T17689] br0: port 1(veth0) entered blocking state
[  550.983427][T17689] br0: port 1(veth0) entered disabled state
[  550.983657][T17689] veth0: entered allmulticast mode
[  550.985187][T17689] veth0: entered promiscuous mode
[  551.023692][T17692] br0: port 2(veth1) entered blocking state
[  551.023903][T17692] br0: port 2(veth1) entered disabled state
[  551.024292][T17692] veth1: entered allmulticast mode
[  551.025851][T17692] veth1: entered promiscuous mode
[  551.063211][T17693] br0: port 2(veth1) entered blocking state
[  551.063551][T17693] br0: port 2(veth1) entered forwarding state
[  551.064272][T17693] br0: port 1(veth0) entered blocking state
[  551.064505][T17693] br0: port 1(veth0) entered forwarding state
[  557.438288][T17711] nf_queue (17711) used greatest stack depth: 23040 bytes left
[  563.045156][T17729] nf_queue (17729) used greatest stack depth: 22896 bytes left
[  563.333062][   T12] br0: port 1(veth0) entered disabled state
[  563.336874][   T12] veth0 (unregistering): left allmulticast mode
[  563.337255][   T12] veth0 (unregistering): left promiscuous mode
[  563.337428][   T12] br0: port 1(veth0) entered disabled state
[  563.508181][   T12] br0: port 2(veth1) entered disabled state
[  563.510692][   T12] veth1 (unregistering): left allmulticast mode
[  563.510924][   T12] veth1 (unregistering): left promiscuous mode
[  563.511151][   T12] br0: port 2(veth1) entered disabled state