[  453.973900] br0: port 1(c1) entered blocking state
[  453.974000] br0: port 1(c1) entered disabled state
[  453.974072] c1: entered allmulticast mode
[  453.974170] c1: entered promiscuous mode
[  454.021015] br0: port 2(c2) entered blocking state
[  454.021071] br0: port 2(c2) entered disabled state
[  454.021125] c2: entered allmulticast mode
[  454.021190] c2: entered promiscuous mode
[  454.067962] br0: port 3(c3) entered blocking state
[  454.068051] br0: port 3(c3) entered disabled state
[  454.068113] c3: entered allmulticast mode
[  454.068188] c3: entered promiscuous mode
[  454.117173] br0: port 4(sender) entered blocking state
[  454.117240] br0: port 4(sender) entered disabled state
[  454.117292] sender: entered allmulticast mode
[  454.117378] sender: entered promiscuous mode
[  454.138117] br0: port 4(sender) entered blocking state
[  454.138191] br0: port 4(sender) entered forwarding state
[  454.138252] br0: port 3(c3) entered blocking state
[  454.138303] br0: port 3(c3) entered forwarding state
[  454.138363] br0: port 2(c2) entered blocking state
[  454.138411] br0: port 2(c2) entered forwarding state
[  454.138464] br0: port 1(c1) entered blocking state
[  454.138511] br0: port 1(c1) entered forwarding state
[  464.838059] br0: port 1(c1) entered disabled state
[  464.838383] c1 (unregistering): left allmulticast mode
[  464.838453] c1 (unregistering): left promiscuous mode
[  464.838512] br0: port 1(c1) entered disabled state
[  464.877128] br0: port 2(c2) entered disabled state
[  464.877536] c2 (unregistering): left allmulticast mode
[  464.877603] c2 (unregistering): left promiscuous mode
[  464.877658] br0: port 2(c2) entered disabled state
[  464.923225] br0: port 3(c3) entered disabled state
[  464.923616] c3 (unregistering): left allmulticast mode
[  464.923688] c3 (unregistering): left promiscuous mode
[  464.923734] br0: port 3(c3) entered disabled state
[  464.966042] br0: port 4(sender) entered disabled state
[  464.966400] sender (unregistering): left allmulticast mode
[  464.966486] sender (unregistering): left promiscuous mode
[  464.966536] br0: port 4(sender) entered disabled state