[  460.713286][T17143] sctp: Hash tables configured (bind 32/56)
[  480.704686][    C1] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  480.750935][    C2] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  480.905285][    C1] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  481.263308][    C2] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  481.448234][    C2] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  481.543007][    C2] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  481.927943][    C3] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  482.174932][    C0] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  482.247136][    C0] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  482.308375][    C0] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  505.388853][T17743] conntrack (17743) used greatest stack depth: 23856 bytes left
[  539.248184][T17844] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  539.297040][T17846] br0: port 1(veth0) entered blocking state
[  539.297381][T17846] br0: port 1(veth0) entered disabled state
[  539.297686][T17846] veth0: entered allmulticast mode
[  539.299389][T17846] veth0: entered promiscuous mode
[  539.333944][T17848] br0: port 2(veth1) entered blocking state
[  539.334146][T17848] br0: port 2(veth1) entered disabled state
[  539.334324][T17848] veth1: entered allmulticast mode
[  539.335799][T17848] veth1: entered promiscuous mode
[  539.370917][T17850] br0: port 2(veth1) entered blocking state
[  539.371221][T17850] br0: port 2(veth1) entered forwarding state
[  539.371802][T17850] br0: port 1(veth0) entered blocking state
[  539.372040][T17850] br0: port 1(veth0) entered forwarding state
[  545.663530][T17867] nf_queue (17867) used greatest stack depth: 23648 bytes left
[  545.667007][T17868] nf_queue (17868) used greatest stack depth: 23512 bytes left
[  551.521809][   T12] br0: port 1(veth0) entered disabled state
[  551.525878][   T12] veth0 (unregistering): left allmulticast mode
[  551.526137][   T12] veth0 (unregistering): left promiscuous mode
[  551.526310][   T12] br0: port 1(veth0) entered disabled state
[  551.649503][   T12] br0: port 2(veth1) entered disabled state
[  551.651857][   T12] veth1 (unregistering): left allmulticast mode
[  551.652039][   T12] veth1 (unregistering): left promiscuous mode
[  551.652206][   T12] br0: port 2(veth1) entered disabled state