[  731.457823] br0: port 1(c1) entered blocking state
[  731.457902] br0: port 1(c1) entered disabled state
[  731.457970] c1: entered allmulticast mode
[  731.458098] c1: entered promiscuous mode
[  731.516911] br0: port 2(c2) entered blocking state
[  731.517055] br0: port 2(c2) entered disabled state
[  731.517144] c2: entered allmulticast mode
[  731.517257] c2: entered promiscuous mode
[  731.573196] br0: port 3(c3) entered blocking state
[  731.573288] br0: port 3(c3) entered disabled state
[  731.573362] c3: entered allmulticast mode
[  731.573467] c3: entered promiscuous mode
[  731.631128] br0: port 4(sender) entered blocking state
[  731.631222] br0: port 4(sender) entered disabled state
[  731.631286] sender: entered allmulticast mode
[  731.631376] sender: entered promiscuous mode
[  731.654439] br0: port 4(sender) entered blocking state
[  731.654532] br0: port 4(sender) entered forwarding state
[  731.654588] br0: port 3(c3) entered blocking state
[  731.654656] br0: port 3(c3) entered forwarding state
[  731.654712] br0: port 2(c2) entered blocking state
[  731.654764] br0: port 2(c2) entered forwarding state
[  731.654814] br0: port 1(c1) entered blocking state
[  731.654863] br0: port 1(c1) entered forwarding state
[  742.407367] br0: port 1(c1) entered disabled state
[  742.407851] c1 (unregistering): left allmulticast mode
[  742.408131] c1 (unregistering): left promiscuous mode
[  742.408207] br0: port 1(c1) entered disabled state
[  742.488760] br0: port 2(c2) entered disabled state
[  742.489372] c2 (unregistering): left allmulticast mode
[  742.489465] c2 (unregistering): left promiscuous mode
[  742.489516] br0: port 2(c2) entered disabled state
[  742.575776] br0: port 3(c3) entered disabled state
[  742.576459] c3 (unregistering): left allmulticast mode
[  742.576585] c3 (unregistering): left promiscuous mode
[  742.576661] br0: port 3(c3) entered disabled state
[  742.675310] br0: port 4(sender) entered disabled state
[  742.676013] sender (unregistering): left allmulticast mode
[  742.676127] sender (unregistering): left promiscuous mode
[  742.676199] br0: port 4(sender) entered disabled state