[  751.185298] br0: port 1(c1) entered blocking state
[  751.185373] br0: port 1(c1) entered disabled state
[  751.185442] c1: entered allmulticast mode
[  751.185533] c1: entered promiscuous mode
[  751.241376] br0: port 2(c2) entered blocking state
[  751.241475] br0: port 2(c2) entered disabled state
[  751.241557] c2: entered allmulticast mode
[  751.241667] c2: entered promiscuous mode
[  751.302219] br0: port 3(c3) entered blocking state
[  751.302293] br0: port 3(c3) entered disabled state
[  751.302355] c3: entered allmulticast mode
[  751.302434] c3: entered promiscuous mode
[  751.362261] br0: port 4(sender) entered blocking state
[  751.362337] br0: port 4(sender) entered disabled state
[  751.362405] sender: entered allmulticast mode
[  751.362518] sender: entered promiscuous mode
[  751.386449] br0: port 4(sender) entered blocking state
[  751.386516] br0: port 4(sender) entered forwarding state
[  751.386564] br0: port 3(c3) entered blocking state
[  751.386621] br0: port 3(c3) entered forwarding state
[  751.386694] br0: port 2(c2) entered blocking state
[  751.386750] br0: port 2(c2) entered forwarding state
[  751.386804] br0: port 1(c1) entered blocking state
[  751.386847] br0: port 1(c1) entered forwarding state
[  762.132774] br0: port 1(c1) entered disabled state
[  762.133177] c1 (unregistering): left allmulticast mode
[  762.133253] c1 (unregistering): left promiscuous mode
[  762.133316] br0: port 1(c1) entered disabled state
[  762.173717] br0: port 2(c2) entered disabled state
[  762.174031] c2 (unregistering): left allmulticast mode
[  762.174094] c2 (unregistering): left promiscuous mode
[  762.174148] br0: port 2(c2) entered disabled state
[  762.221655] br0: port 3(c3) entered disabled state
[  762.222037] c3 (unregistering): left allmulticast mode
[  762.222087] c3 (unregistering): left promiscuous mode
[  762.222129] br0: port 3(c3) entered disabled state
[  762.269688] br0: port 4(sender) entered disabled state
[  762.269995] sender (unregistering): left allmulticast mode
[  762.270066] sender (unregistering): left promiscuous mode
[  762.270122] br0: port 4(sender) entered disabled state