[  752.519729] br0: port 1(c1) entered blocking state
[  752.519832] br0: port 1(c1) entered disabled state
[  752.519912] c1: entered allmulticast mode
[  752.520001] c1: entered promiscuous mode
[  752.571960] br0: port 2(c2) entered blocking state
[  752.572073] br0: port 2(c2) entered disabled state
[  752.572166] c2: entered allmulticast mode
[  752.572259] c2: entered promiscuous mode
[  752.627042] br0: port 3(c3) entered blocking state
[  752.627110] br0: port 3(c3) entered disabled state
[  752.627177] c3: entered allmulticast mode
[  752.627260] c3: entered promiscuous mode
[  752.683267] br0: port 4(sender) entered blocking state
[  752.683388] br0: port 4(sender) entered disabled state
[  752.683471] sender: entered allmulticast mode
[  752.683568] sender: entered promiscuous mode
[  752.705475] br0: port 4(sender) entered blocking state
[  752.705605] br0: port 4(sender) entered forwarding state
[  752.705677] br0: port 3(c3) entered blocking state
[  752.705739] br0: port 3(c3) entered forwarding state
[  752.705805] br0: port 2(c2) entered blocking state
[  752.705865] br0: port 2(c2) entered forwarding state
[  752.705935] br0: port 1(c1) entered blocking state
[  752.705995] br0: port 1(c1) entered forwarding state
[  763.475598] br0: port 1(c1) entered disabled state
[  763.475998] c1 (unregistering): left allmulticast mode
[  763.476045] c1 (unregistering): left promiscuous mode
[  763.476089] br0: port 1(c1) entered disabled state
[  763.517564] br0: port 2(c2) entered disabled state
[  763.517928] c2 (unregistering): left allmulticast mode
[  763.517992] c2 (unregistering): left promiscuous mode
[  763.518119] br0: port 2(c2) entered disabled state
[  763.565549] br0: port 3(c3) entered disabled state
[  763.565918] c3 (unregistering): left allmulticast mode
[  763.565986] c3 (unregistering): left promiscuous mode
[  763.566048] br0: port 3(c3) entered disabled state
[  763.616543] br0: port 4(sender) entered disabled state
[  763.616949] sender (unregistering): left allmulticast mode
[  763.617037] sender (unregistering): left promiscuous mode
[  763.617084] br0: port 4(sender) entered disabled state