[ 1380.902542][    C1] net_ratelimit: 2 callbacks suppressed
[ 1380.902550][    C1] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[ 1382.043906][    C2] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[ 1382.380347][    C3] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[ 1382.505427][    C3] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[ 1437.841494][ T6900] br0: port 1(veth0) entered blocking state
[ 1437.841833][ T6900] br0: port 1(veth0) entered disabled state
[ 1437.842132][ T6900] veth0: entered allmulticast mode
[ 1437.843605][ T6900] veth0: entered promiscuous mode
[ 1437.876047][ T6901] br0: port 2(veth1) entered blocking state
[ 1437.876387][ T6901] br0: port 2(veth1) entered disabled state
[ 1437.876742][ T6901] veth1: entered allmulticast mode
[ 1437.878289][ T6901] veth1: entered promiscuous mode
[ 1437.906170][ T6902] br0: port 2(veth1) entered blocking state
[ 1437.906493][ T6902] br0: port 2(veth1) entered forwarding state
[ 1437.906935][ T6902] br0: port 1(veth0) entered blocking state
[ 1437.907225][ T6902] br0: port 1(veth0) entered forwarding state
[ 1449.844169][ T6938] nf_queue (6938) used greatest stack depth: 23120 bytes left
[ 1450.080675][   T71] br0: port 1(veth0) entered disabled state
[ 1450.084637][   T71] veth0 (unregistering): left allmulticast mode
[ 1450.084938][   T71] veth0 (unregistering): left promiscuous mode
[ 1450.085245][   T71] br0: port 1(veth0) entered disabled state
[ 1450.212345][   T71] br0: port 2(veth1) entered disabled state
[ 1450.216230][   T71] veth1 (unregistering): left allmulticast mode
[ 1450.216536][   T71] veth1 (unregistering): left promiscuous mode
[ 1450.216810][   T71] br0: port 2(veth1) entered disabled state