[ 1325.937758][    C1] net_ratelimit: 2 callbacks suppressed
[ 1325.937765][    C1] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[ 1326.187155][    C2] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[ 1326.808871][    C2] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[ 1327.768864][    C3] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[ 1382.520850][ T7525] br0: port 1(veth0) entered blocking state
[ 1382.521623][ T7525] br0: port 1(veth0) entered disabled state
[ 1382.521803][ T7525] veth0: entered allmulticast mode
[ 1382.523163][ T7525] veth0: entered promiscuous mode
[ 1382.554490][ T7526] br0: port 2(veth1) entered blocking state
[ 1382.554698][ T7526] br0: port 2(veth1) entered disabled state
[ 1382.554922][ T7526] veth1: entered allmulticast mode
[ 1382.556325][ T7526] veth1: entered promiscuous mode
[ 1382.579955][ T7527] br0: port 2(veth1) entered blocking state
[ 1382.580158][ T7527] br0: port 2(veth1) entered forwarding state
[ 1382.580453][ T7527] br0: port 1(veth0) entered blocking state
[ 1382.580612][ T7527] br0: port 1(veth0) entered forwarding state
[ 1394.537490][ T7562] nf_queue (7562) used greatest stack depth: 23040 bytes left
[ 1394.773370][   T12] br0: port 1(veth0) entered disabled state
[ 1394.777533][   T12] veth0 (unregistering): left allmulticast mode
[ 1394.777712][   T12] veth0 (unregistering): left promiscuous mode
[ 1394.777868][   T12] br0: port 1(veth0) entered disabled state
[ 1394.884002][   T12] br0: port 2(veth1) entered disabled state
[ 1394.887058][   T12] veth1 (unregistering): left allmulticast mode
[ 1394.887239][   T12] veth1 (unregistering): left promiscuous mode
[ 1394.887413][   T12] br0: port 2(veth1) entered disabled state