[  469.301675][T16978] sctp: Hash tables configured (bind 32/56)
[  489.470841][    C1] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  489.532247][    C1] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  489.800852][    C2] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  489.940114][    C2] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  490.148123][    C2] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  490.215111][    C2] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  490.446508][    C2] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  490.587694][    C2] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  490.745951][    C2] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  490.982268][    C0] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  548.647560][T17651] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  548.700187][T17653] br0: port 1(veth0) entered blocking state
[  548.700825][T17653] br0: port 1(veth0) entered disabled state
[  548.701018][T17653] veth0: entered allmulticast mode
[  548.702571][T17653] veth0: entered promiscuous mode
[  548.739010][T17657] br0: port 2(veth1) entered blocking state
[  548.739207][T17657] br0: port 2(veth1) entered disabled state
[  548.740207][T17657] veth1: entered allmulticast mode
[  548.741776][T17657] veth1: entered promiscuous mode
[  548.778417][T17658] br0: port 2(veth1) entered blocking state
[  548.778683][T17658] br0: port 2(veth1) entered forwarding state
[  548.779096][T17658] br0: port 1(veth0) entered blocking state
[  548.779358][T17658] br0: port 1(veth0) entered forwarding state
[  554.855927][T17677] nf_queue (17677) used greatest stack depth: 23584 bytes left
[  560.484482][T17696] nf_queue (17696) used greatest stack depth: 22376 bytes left
[  560.747751][   T70] br0: port 1(veth0) entered disabled state
[  560.751297][   T70] veth0 (unregistering): left allmulticast mode
[  560.751700][   T70] veth0 (unregistering): left promiscuous mode
[  560.752002][   T70] br0: port 1(veth0) entered disabled state
[  560.877015][   T70] br0: port 2(veth1) entered disabled state
[  560.879697][   T70] veth1 (unregistering): left allmulticast mode
[  560.879954][   T70] veth1 (unregistering): left promiscuous mode
[  560.880180][   T70] br0: port 2(veth1) entered disabled state