[ 1296.496015][    C1] net_ratelimit: 2 callbacks suppressed
[ 1296.496022][    C1] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[ 1297.521507][    C1] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[ 1297.601007][    C1] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[ 1297.788576][    C1] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[ 1298.179063][    C2] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[ 1298.631451][    C2] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[ 1299.174754][    C2] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[ 1352.793481][ T5626] br0: port 1(veth0) entered blocking state
[ 1352.794383][ T5626] br0: port 1(veth0) entered disabled state
[ 1352.794612][ T5626] veth0: entered allmulticast mode
[ 1352.796057][ T5626] veth0: entered promiscuous mode
[ 1352.826263][ T5627] br0: port 2(veth1) entered blocking state
[ 1352.826438][ T5627] br0: port 2(veth1) entered disabled state
[ 1352.826609][ T5627] veth1: entered allmulticast mode
[ 1352.827959][ T5627] veth1: entered promiscuous mode
[ 1352.863994][ T5628] br0: port 2(veth1) entered blocking state
[ 1352.864213][ T5628] br0: port 2(veth1) entered forwarding state
[ 1352.864564][ T5628] br0: port 1(veth0) entered blocking state
[ 1352.864778][ T5628] br0: port 1(veth0) entered forwarding state
[ 1365.093599][   T12] br0: port 1(veth0) entered disabled state
[ 1365.097204][   T12] veth0 (unregistering): left allmulticast mode
[ 1365.097380][   T12] veth0 (unregistering): left promiscuous mode
[ 1365.098570][   T12] br0: port 1(veth0) entered disabled state
[ 1365.215733][   T12] br0: port 2(veth1) entered disabled state
[ 1365.219221][   T12] veth1 (unregistering): left allmulticast mode
[ 1365.219391][   T12] veth1 (unregistering): left promiscuous mode
[ 1365.219546][   T12] br0: port 2(veth1) entered disabled state