[  750.164731] br0: port 1(c1) entered blocking state
[  750.164870] br0: port 1(c1) entered disabled state
[  750.164964] c1: entered allmulticast mode
[  750.165114] c1: entered promiscuous mode
[  750.263169] br0: port 2(c2) entered blocking state
[  750.263348] br0: port 2(c2) entered disabled state
[  750.263514] c2: entered allmulticast mode
[  750.263716] c2: entered promiscuous mode
[  750.364322] br0: port 3(c3) entered blocking state
[  750.364682] br0: port 3(c3) entered disabled state
[  750.364774] c3: entered allmulticast mode
[  750.364902] c3: entered promiscuous mode
[  750.462733] br0: port 4(sender) entered blocking state
[  750.462840] br0: port 4(sender) entered disabled state
[  750.462937] sender: entered allmulticast mode
[  750.463094] sender: entered promiscuous mode
[  750.504337] br0: port 4(sender) entered blocking state
[  750.504436] br0: port 4(sender) entered forwarding state
[  750.504516] br0: port 3(c3) entered blocking state
[  750.504581] br0: port 3(c3) entered forwarding state
[  750.504635] br0: port 2(c2) entered blocking state
[  750.504708] br0: port 2(c2) entered forwarding state
[  750.504778] br0: port 1(c1) entered blocking state
[  750.504843] br0: port 1(c1) entered forwarding state
[  761.385386] br0: port 1(c1) entered disabled state
[  761.386713] c1 (unregistering): left allmulticast mode
[  761.386845] c1 (unregistering): left promiscuous mode
[  761.386905] br0: port 1(c1) entered disabled state
[  761.491287] br0: port 2(c2) entered disabled state
[  761.491798] c2 (unregistering): left allmulticast mode
[  761.492056] c2 (unregistering): left promiscuous mode
[  761.492178] br0: port 2(c2) entered disabled state
[  761.576186] br0: port 3(c3) entered disabled state
[  761.576667] c3 (unregistering): left allmulticast mode
[  761.576834] c3 (unregistering): left promiscuous mode
[  761.576983] br0: port 3(c3) entered disabled state
[  761.644430] br0: port 4(sender) entered disabled state
[  761.644794] sender (unregistering): left allmulticast mode
[  761.644912] sender (unregistering): left promiscuous mode
[  761.645018] br0: port 4(sender) entered disabled state