[  546.585808] br0: port 1(c1) entered blocking state
[  546.585881] br0: port 1(c1) entered disabled state
[  546.585947] c1: entered allmulticast mode
[  546.586019] c1: entered promiscuous mode
[  546.643214] br0: port 2(c2) entered blocking state
[  546.643326] br0: port 2(c2) entered disabled state
[  546.643399] c2: entered allmulticast mode
[  546.643496] c2: entered promiscuous mode
[  546.704747] br0: port 3(c3) entered blocking state
[  546.704819] br0: port 3(c3) entered disabled state
[  546.704879] c3: entered allmulticast mode
[  546.704970] c3: entered promiscuous mode
[  546.765447] br0: port 4(sender) entered blocking state
[  546.765538] br0: port 4(sender) entered disabled state
[  546.765610] sender: entered allmulticast mode
[  546.765712] sender: entered promiscuous mode
[  546.789008] br0: port 4(sender) entered blocking state
[  546.789079] br0: port 4(sender) entered forwarding state
[  546.789162] br0: port 3(c3) entered blocking state
[  546.789207] br0: port 3(c3) entered forwarding state
[  546.789256] br0: port 2(c2) entered blocking state
[  546.789299] br0: port 2(c2) entered forwarding state
[  546.789348] br0: port 1(c1) entered blocking state
[  546.789393] br0: port 1(c1) entered forwarding state
[  557.504068] br0: port 1(c1) entered disabled state
[  557.504440] c1 (unregistering): left allmulticast mode
[  557.504512] c1 (unregistering): left promiscuous mode
[  557.504576] br0: port 1(c1) entered disabled state
[  557.555337] br0: port 2(c2) entered disabled state
[  557.555574] c2 (unregistering): left allmulticast mode
[  557.555632] c2 (unregistering): left promiscuous mode
[  557.555671] br0: port 2(c2) entered disabled state
[  557.593128] br0: port 3(c3) entered disabled state
[  557.593417] c3 (unregistering): left allmulticast mode
[  557.593471] c3 (unregistering): left promiscuous mode
[  557.593516] br0: port 3(c3) entered disabled state
[  557.639093] br0: port 4(sender) entered disabled state
[  557.639333] sender (unregistering): left allmulticast mode
[  557.639396] sender (unregistering): left promiscuous mode
[  557.639448] br0: port 4(sender) entered disabled state