[  460.781053][T17075] sctp: Hash tables configured (bind 32/56)
[  482.267046][    C2] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  483.167973][    C2] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  483.611554][    C1] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  483.839251][    C2] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  484.388827][    C2] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  557.012015][T17764] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  557.069141][T17765] br0: port 1(veth0) entered blocking state
[  557.070285][T17765] br0: port 1(veth0) entered disabled state
[  557.070626][T17765] veth0: entered allmulticast mode
[  557.072222][T17765] veth0: entered promiscuous mode
[  557.106909][T17766] br0: port 2(veth1) entered blocking state
[  557.107252][T17766] br0: port 2(veth1) entered disabled state
[  557.107576][T17766] veth1: entered allmulticast mode
[  557.109199][T17766] veth1: entered promiscuous mode
[  557.143374][T17770] br0: port 2(veth1) entered blocking state
[  557.143816][T17770] br0: port 2(veth1) entered forwarding state
[  557.144488][T17770] br0: port 1(veth0) entered blocking state
[  557.144804][T17770] br0: port 1(veth0) entered forwarding state
[  563.571955][T17788] nf_queue (17788) used greatest stack depth: 23304 bytes left
[  563.577510][T17787] nf_queue (17787) used greatest stack depth: 22944 bytes left
[  569.213056][T17807] nf_queue (17807) used greatest stack depth: 22928 bytes left
[  569.557249][   T12] br0: port 1(veth0) entered disabled state
[  569.562905][   T12] veth0 (unregistering): left allmulticast mode
[  569.563389][   T12] veth0 (unregistering): left promiscuous mode
[  569.563723][   T12] br0: port 1(veth0) entered disabled state
[  569.741384][   T12] br0: port 2(veth1) entered disabled state
[  569.744537][   T12] veth1 (unregistering): left allmulticast mode
[  569.744859][   T12] veth1 (unregistering): left promiscuous mode
[  569.745162][   T12] br0: port 2(veth1) entered disabled state