[  496.963907] br0: port 1(c1) entered blocking state
[  496.963973] br0: port 1(c1) entered disabled state
[  496.964031] c1: entered allmulticast mode
[  496.964101] c1: entered promiscuous mode
[  497.014928] br0: port 2(c2) entered blocking state
[  497.015023] br0: port 2(c2) entered disabled state
[  497.015086] c2: entered allmulticast mode
[  497.015172] c2: entered promiscuous mode
[  497.067402] br0: port 3(c3) entered blocking state
[  497.067493] br0: port 3(c3) entered disabled state
[  497.067569] c3: entered allmulticast mode
[  497.067670] c3: entered promiscuous mode
[  497.123049] br0: port 4(sender) entered blocking state
[  497.123132] br0: port 4(sender) entered disabled state
[  497.123199] sender: entered allmulticast mode
[  497.123307] sender: entered promiscuous mode
[  497.145112] br0: port 4(sender) entered blocking state
[  497.145182] br0: port 4(sender) entered forwarding state
[  497.145227] br0: port 3(c3) entered blocking state
[  497.145275] br0: port 3(c3) entered forwarding state
[  497.145319] br0: port 2(c2) entered blocking state
[  497.145358] br0: port 2(c2) entered forwarding state
[  497.145394] br0: port 1(c1) entered blocking state
[  497.145438] br0: port 1(c1) entered forwarding state
[  507.879401] br0: port 1(c1) entered disabled state
[  507.879681] c1 (unregistering): left allmulticast mode
[  507.879739] c1 (unregistering): left promiscuous mode
[  507.879789] br0: port 1(c1) entered disabled state
[  507.919457] br0: port 2(c2) entered disabled state
[  507.919890] c2 (unregistering): left allmulticast mode
[  507.919956] c2 (unregistering): left promiscuous mode
[  507.920003] br0: port 2(c2) entered disabled state
[  507.971414] br0: port 3(c3) entered disabled state
[  507.971694] c3 (unregistering): left allmulticast mode
[  507.971752] c3 (unregistering): left promiscuous mode
[  507.971798] br0: port 3(c3) entered disabled state
[  507.995448] sender: left allmulticast mode
[  507.995532] sender: left promiscuous mode
[  507.995611] br0: port 4(sender) entered disabled state