[  720.953420] br0: port 1(c1) entered blocking state
[  720.953519] br0: port 1(c1) entered disabled state
[  720.953586] c1: entered allmulticast mode
[  720.953678] c1: entered promiscuous mode
[  721.003809] br0: port 2(c2) entered blocking state
[  721.003878] br0: port 2(c2) entered disabled state
[  721.003942] c2: entered allmulticast mode
[  721.004027] c2: entered promiscuous mode
[  721.053531] br0: port 3(c3) entered blocking state
[  721.053615] br0: port 3(c3) entered disabled state
[  721.053682] c3: entered allmulticast mode
[  721.053780] c3: entered promiscuous mode
[  721.105138] br0: port 4(sender) entered blocking state
[  721.105217] br0: port 4(sender) entered disabled state
[  721.105275] sender: entered allmulticast mode
[  721.105363] sender: entered promiscuous mode
[  721.126032] br0: port 4(sender) entered blocking state
[  721.126102] br0: port 4(sender) entered forwarding state
[  721.126155] br0: port 3(c3) entered blocking state
[  721.126203] br0: port 3(c3) entered forwarding state
[  721.126255] br0: port 2(c2) entered blocking state
[  721.126319] br0: port 2(c2) entered forwarding state
[  721.126371] br0: port 1(c1) entered blocking state
[  721.126419] br0: port 1(c1) entered forwarding state
[  731.856157] br0: port 1(c1) entered disabled state
[  731.856460] c1 (unregistering): left allmulticast mode
[  731.856533] c1 (unregistering): left promiscuous mode
[  731.856576] br0: port 1(c1) entered disabled state
[  731.902154] br0: port 2(c2) entered disabled state
[  731.902416] c2 (unregistering): left allmulticast mode
[  731.902470] c2 (unregistering): left promiscuous mode
[  731.902524] br0: port 2(c2) entered disabled state
[  731.939131] br0: port 3(c3) entered disabled state
[  731.939597] c3 (unregistering): left allmulticast mode
[  731.939651] c3 (unregistering): left promiscuous mode
[  731.939700] br0: port 3(c3) entered disabled state
[  731.978322] br0: port 4(sender) entered disabled state
[  731.978765] sender (unregistering): left allmulticast mode
[  731.978812] sender (unregistering): left promiscuous mode
[  731.978850] br0: port 4(sender) entered disabled state