[   12.071182] br0: port 1(c1) entered blocking state
[   12.071228] br0: port 1(c1) entered disabled state
[   12.071256] c1: entered allmulticast mode
[   12.071300] c1: entered promiscuous mode
[   12.083186] br0: port 2(c2) entered blocking state
[   12.083224] br0: port 2(c2) entered disabled state
[   12.083256] c2: entered allmulticast mode
[   12.083296] c2: entered promiscuous mode
[   12.095098] br0: port 3(c3) entered blocking state
[   12.095132] br0: port 3(c3) entered disabled state
[   12.095161] c3: entered allmulticast mode
[   12.095201] c3: entered promiscuous mode
[   12.106943] br0: port 4(sender) entered blocking state
[   12.106980] br0: port 4(sender) entered disabled state
[   12.107009] sender: entered allmulticast mode
[   12.107055] sender: entered promiscuous mode
[   12.111660] br0: port 4(sender) entered blocking state
[   12.111695] br0: port 4(sender) entered forwarding state
[   12.111724] br0: port 3(c3) entered blocking state
[   12.111750] br0: port 3(c3) entered forwarding state
[   12.111783] br0: port 2(c2) entered blocking state
[   12.111819] br0: port 2(c2) entered forwarding state
[   12.111849] br0: port 1(c1) entered blocking state
[   12.111879] br0: port 1(c1) entered forwarding state
[   22.831656] br0: port 1(c1) entered disabled state
[   22.832040] c1 (unregistering): left allmulticast mode
[   22.832102] c1 (unregistering): left promiscuous mode
[   22.832165] br0: port 1(c1) entered disabled state
[   22.862652] br0: port 3(c3) entered disabled state
[   22.862805] br0: port 2(c2) entered disabled state
[   22.863018] c3 (unregistering): left allmulticast mode
[   22.863111] c3 (unregistering): left promiscuous mode
[   22.863198] br0: port 3(c3) entered disabled state
[   22.863436] c2 (unregistering): left allmulticast mode
[   22.863530] c2 (unregistering): left promiscuous mode
[   22.863636] br0: port 2(c2) entered disabled state
[   22.881695] sender: left allmulticast mode
[   22.881750] sender: left promiscuous mode
[   22.881843] br0: port 4(sender) entered disabled state