[  643.919422] br0: port 1(c1) entered blocking state
[  643.919519] br0: port 1(c1) entered disabled state
[  643.919581] c1: entered allmulticast mode
[  643.919656] c1: entered promiscuous mode
[  643.966733] br0: port 2(c2) entered blocking state
[  643.966798] br0: port 2(c2) entered disabled state
[  643.966855] c2: entered allmulticast mode
[  643.966928] c2: entered promiscuous mode
[  644.014619] br0: port 3(c3) entered blocking state
[  644.014710] br0: port 3(c3) entered disabled state
[  644.014770] c3: entered allmulticast mode
[  644.014853] c3: entered promiscuous mode
[  644.062062] br0: port 4(sender) entered blocking state
[  644.062157] br0: port 4(sender) entered disabled state
[  644.062218] sender: entered allmulticast mode
[  644.062302] sender: entered promiscuous mode
[  644.081156] br0: port 4(sender) entered blocking state
[  644.081253] br0: port 4(sender) entered forwarding state
[  644.081310] br0: port 3(c3) entered blocking state
[  644.081355] br0: port 3(c3) entered forwarding state
[  644.081403] br0: port 2(c2) entered blocking state
[  644.081448] br0: port 2(c2) entered forwarding state
[  644.081498] br0: port 1(c1) entered blocking state
[  644.081542] br0: port 1(c1) entered forwarding state
[  654.775065] br0: port 1(c1) entered disabled state
[  654.775333] c1 (unregistering): left allmulticast mode
[  654.775380] c1 (unregistering): left promiscuous mode
[  654.775422] br0: port 1(c1) entered disabled state
[  654.814113] br0: port 2(c2) entered disabled state
[  654.814347] c2 (unregistering): left allmulticast mode
[  654.814408] c2 (unregistering): left promiscuous mode
[  654.814444] br0: port 2(c2) entered disabled state
[  654.861095] br0: port 3(c3) entered disabled state
[  654.861437] c3 (unregistering): left allmulticast mode
[  654.861499] c3 (unregistering): left promiscuous mode
[  654.861552] br0: port 3(c3) entered disabled state
[  654.887098] br0: port 4(sender) entered disabled state
[  654.887431] sender (unregistering): left allmulticast mode
[  654.887537] sender (unregistering): left promiscuous mode
[  654.887597] br0: port 4(sender) entered disabled state