[  453.012597][T16967] sctp: Hash tables configured (bind 32/56)
[  474.272339][    C1] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  474.478855][    C1] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  474.663477][    C2] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  474.821943][    C2] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  475.060602][    C2] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  475.610657][    C2] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  475.690162][    C2] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  475.828268][    C2] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  475.856976][    C2] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  476.008883][    C2] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  536.460574][T17628] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  536.509090][T17629] br0: port 1(veth0) entered blocking state
[  536.509406][T17629] br0: port 1(veth0) entered disabled state
[  536.509730][T17629] veth0: entered allmulticast mode
[  536.512057][T17629] veth0: entered promiscuous mode
[  536.551353][T17633] br0: port 2(veth1) entered blocking state
[  536.551557][T17633] br0: port 2(veth1) entered disabled state
[  536.551759][T17633] veth1: entered allmulticast mode
[  536.554233][T17633] veth1: entered promiscuous mode
[  536.591285][T17634] br0: port 2(veth1) entered blocking state
[  536.591597][T17634] br0: port 2(veth1) entered forwarding state
[  536.592218][T17634] br0: port 1(veth0) entered blocking state
[  536.592395][T17634] br0: port 1(veth0) entered forwarding state
[  543.111797][T17652] nf_queue (17652) used greatest stack depth: 23536 bytes left
[  548.735670][T17671] nf_queue (17671) used greatest stack depth: 22544 bytes left
[  548.986342][   T70] br0: port 1(veth0) entered disabled state
[  548.990322][   T70] veth0 (unregistering): left allmulticast mode
[  548.990563][   T70] veth0 (unregistering): left promiscuous mode
[  548.990895][   T70] br0: port 1(veth0) entered disabled state
[  549.129988][   T70] br0: port 2(veth1) entered disabled state
[  549.140696][   T70] veth1 (unregistering): left allmulticast mode
[  549.140888][   T70] veth1 (unregistering): left promiscuous mode
[  549.141421][   T70] br0: port 2(veth1) entered disabled state