[  452.152373][T17001] sctp: Hash tables configured (bind 32/56)
[  472.580450][    C1] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  472.917518][    C2] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  473.183639][    C2] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  473.265922][    C2] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  473.372370][    C2] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  473.627602][    C2] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  473.815113][    C0] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  474.264110][    C0] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  474.345936][    C0] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  474.832493][    C2] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  539.417127][T17693] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  539.472488][T17694] br0: port 1(veth0) entered blocking state
[  539.472997][T17694] br0: port 1(veth0) entered disabled state
[  539.473336][T17694] veth0: entered allmulticast mode
[  539.482193][T17694] veth0: entered promiscuous mode
[  539.528746][T17695] br0: port 2(veth1) entered blocking state
[  539.529106][T17695] br0: port 2(veth1) entered disabled state
[  539.529447][T17695] veth1: entered allmulticast mode
[  539.531166][T17695] veth1: entered promiscuous mode
[  539.582719][T17699] br0: port 2(veth1) entered blocking state
[  539.583208][T17699] br0: port 2(veth1) entered forwarding state
[  539.583829][T17699] br0: port 1(veth0) entered blocking state
[  539.584164][T17699] br0: port 1(veth0) entered forwarding state
[  546.160615][T17716] nf_queue (17716) used greatest stack depth: 23392 bytes left
[  546.167092][T17717] nf_queue (17717) used greatest stack depth: 22736 bytes left
[  552.076052][   T12] br0: port 1(veth0) entered disabled state
[  552.080392][   T12] veth0 (unregistering): left allmulticast mode
[  552.080830][   T12] veth0 (unregistering): left promiscuous mode
[  552.081141][   T12] br0: port 1(veth0) entered disabled state
[  552.224914][   T12] br0: port 2(veth1) entered disabled state
[  552.228561][   T12] veth1 (unregistering): left allmulticast mode
[  552.228938][   T12] veth1 (unregistering): left promiscuous mode
[  552.229250][   T12] br0: port 2(veth1) entered disabled state