[  537.756860] br0: port 1(c1) entered blocking state
[  537.756913] br0: port 1(c1) entered disabled state
[  537.756960] c1: entered allmulticast mode
[  537.757030] c1: entered promiscuous mode
[  537.839941] br0: port 2(c2) entered blocking state
[  537.839998] br0: port 2(c2) entered disabled state
[  537.840048] c2: entered allmulticast mode
[  537.840109] c2: entered promiscuous mode
[  537.920699] br0: port 3(c3) entered blocking state
[  537.920751] br0: port 3(c3) entered disabled state
[  537.920795] c3: entered allmulticast mode
[  537.920862] c3: entered promiscuous mode
[  538.002035] br0: port 4(sender) entered blocking state
[  538.002104] br0: port 4(sender) entered disabled state
[  538.002167] sender: entered allmulticast mode
[  538.002259] sender: entered promiscuous mode
[  538.033444] br0: port 4(sender) entered blocking state
[  538.033500] br0: port 4(sender) entered forwarding state
[  538.033539] br0: port 3(c3) entered blocking state
[  538.033573] br0: port 3(c3) entered forwarding state
[  538.033608] br0: port 2(c2) entered blocking state
[  538.033647] br0: port 2(c2) entered forwarding state
[  538.033682] br0: port 1(c1) entered blocking state
[  538.033714] br0: port 1(c1) entered forwarding state
[  548.808797] br0: port 1(c1) entered disabled state
[  548.809042] c1 (unregistering): left allmulticast mode
[  548.809082] c1 (unregistering): left promiscuous mode
[  548.809113] br0: port 1(c1) entered disabled state
[  548.859838] br0: port 2(c2) entered disabled state
[  548.860036] c2 (unregistering): left allmulticast mode
[  548.860071] c2 (unregistering): left promiscuous mode
[  548.860106] br0: port 2(c2) entered disabled state
[  548.912817] br0: port 3(c3) entered disabled state
[  548.913068] c3 (unregistering): left allmulticast mode
[  548.913122] c3 (unregistering): left promiscuous mode
[  548.913168] br0: port 3(c3) entered disabled state
[  548.967842] br0: port 4(sender) entered disabled state
[  548.968085] sender (unregistering): left allmulticast mode
[  548.968160] sender (unregistering): left promiscuous mode
[  548.968221] br0: port 4(sender) entered disabled state