[  555.591717] br0: port 1(c1) entered blocking state
[  555.591834] br0: port 1(c1) entered disabled state
[  555.591908] c1: entered allmulticast mode
[  555.591993] c1: entered promiscuous mode
[  555.727725] br0: port 2(c2) entered blocking state
[  555.727847] br0: port 2(c2) entered disabled state
[  555.727935] c2: entered allmulticast mode
[  555.728026] c2: entered promiscuous mode
[  555.848340] br0: port 3(c3) entered blocking state
[  555.848441] br0: port 3(c3) entered disabled state
[  555.848554] c3: entered allmulticast mode
[  555.848634] c3: entered promiscuous mode
[  555.971133] br0: port 4(sender) entered blocking state
[  555.971201] br0: port 4(sender) entered disabled state
[  555.971281] sender: entered allmulticast mode
[  555.971402] sender: entered promiscuous mode
[  556.020560] br0: port 4(sender) entered blocking state
[  556.020659] br0: port 4(sender) entered forwarding state
[  556.020732] br0: port 3(c3) entered blocking state
[  556.020771] br0: port 3(c3) entered forwarding state
[  556.020814] br0: port 2(c2) entered blocking state
[  556.020859] br0: port 2(c2) entered forwarding state
[  556.020898] br0: port 1(c1) entered blocking state
[  556.020942] br0: port 1(c1) entered forwarding state
[  566.954692] br0: port 1(c1) entered disabled state
[  566.955194] c1 (unregistering): left allmulticast mode
[  566.955240] c1 (unregistering): left promiscuous mode
[  566.955274] br0: port 1(c1) entered disabled state
[  567.021741] br0: port 2(c2) entered disabled state
[  567.021993] c2 (unregistering): left allmulticast mode
[  567.022057] c2 (unregistering): left promiscuous mode
[  567.022103] br0: port 2(c2) entered disabled state
[  567.103717] br0: port 3(c3) entered disabled state
[  567.104039] c3 (unregistering): left allmulticast mode
[  567.104098] c3 (unregistering): left promiscuous mode
[  567.104160] br0: port 3(c3) entered disabled state
[  567.167701] br0: port 4(sender) entered disabled state
[  567.167990] sender (unregistering): left allmulticast mode
[  567.168049] sender (unregistering): left promiscuous mode
[  567.168106] br0: port 4(sender) entered disabled state