[  721.859857] br0: port 1(c1) entered blocking state
[  721.859913] br0: port 1(c1) entered disabled state
[  721.859974] c1: entered allmulticast mode
[  721.860040] c1: entered promiscuous mode
[  721.912701] br0: port 2(c2) entered blocking state
[  721.912797] br0: port 2(c2) entered disabled state
[  721.912866] c2: entered allmulticast mode
[  721.912945] c2: entered promiscuous mode
[  721.965537] br0: port 3(c3) entered blocking state
[  721.965600] br0: port 3(c3) entered disabled state
[  721.965658] c3: entered allmulticast mode
[  721.965724] c3: entered promiscuous mode
[  722.014782] br0: port 4(sender) entered blocking state
[  722.014873] br0: port 4(sender) entered disabled state
[  722.014944] sender: entered allmulticast mode
[  722.015032] sender: entered promiscuous mode
[  722.033250] br0: port 4(sender) entered blocking state
[  722.033309] br0: port 4(sender) entered forwarding state
[  722.033355] br0: port 3(c3) entered blocking state
[  722.033396] br0: port 3(c3) entered forwarding state
[  722.033435] br0: port 2(c2) entered blocking state
[  722.033475] br0: port 2(c2) entered forwarding state
[  722.033520] br0: port 1(c1) entered blocking state
[  722.033561] br0: port 1(c1) entered forwarding state
[  732.736262] br0: port 1(c1) entered disabled state
[  732.736568] c1 (unregistering): left allmulticast mode
[  732.736638] c1 (unregistering): left promiscuous mode
[  732.736692] br0: port 1(c1) entered disabled state
[  732.777276] br0: port 2(c2) entered disabled state
[  732.777573] c2 (unregistering): left allmulticast mode
[  732.777638] c2 (unregistering): left promiscuous mode
[  732.777696] br0: port 2(c2) entered disabled state
[  732.815241] br0: port 3(c3) entered disabled state
[  732.815544] c3 (unregistering): left allmulticast mode
[  732.815589] c3 (unregistering): left promiscuous mode
[  732.815632] br0: port 3(c3) entered disabled state
[  732.861290] br0: port 4(sender) entered disabled state
[  732.861562] sender (unregistering): left allmulticast mode
[  732.861616] sender (unregistering): left promiscuous mode
[  732.861657] br0: port 4(sender) entered disabled state