[  744.064456] br0: port 1(c1) entered blocking state
[  744.064574] br0: port 1(c1) entered disabled state
[  744.064654] c1: entered allmulticast mode
[  744.064763] c1: entered promiscuous mode
[  744.125077] br0: port 2(c2) entered blocking state
[  744.125132] br0: port 2(c2) entered disabled state
[  744.125189] c2: entered allmulticast mode
[  744.125263] c2: entered promiscuous mode
[  744.187860] br0: port 3(c3) entered blocking state
[  744.187974] br0: port 3(c3) entered disabled state
[  744.188069] c3: entered allmulticast mode
[  744.188175] c3: entered promiscuous mode
[  744.252106] br0: port 4(sender) entered blocking state
[  744.252170] br0: port 4(sender) entered disabled state
[  744.252231] sender: entered allmulticast mode
[  744.252318] sender: entered promiscuous mode
[  744.275146] br0: port 4(sender) entered blocking state
[  744.275212] br0: port 4(sender) entered forwarding state
[  744.275275] br0: port 3(c3) entered blocking state
[  744.275328] br0: port 3(c3) entered forwarding state
[  744.275368] br0: port 2(c2) entered blocking state
[  744.275413] br0: port 2(c2) entered forwarding state
[  744.275458] br0: port 1(c1) entered blocking state
[  744.275497] br0: port 1(c1) entered forwarding state
[  755.062461] br0: port 1(c1) entered disabled state
[  755.062900] c1 (unregistering): left allmulticast mode
[  755.062968] c1 (unregistering): left promiscuous mode
[  755.063010] br0: port 1(c1) entered disabled state
[  755.098416] br0: port 2(c2) entered disabled state
[  755.098786] c2 (unregistering): left allmulticast mode
[  755.098909] c2 (unregistering): left promiscuous mode
[  755.098987] br0: port 2(c2) entered disabled state
[  755.151477] br0: port 3(c3) entered disabled state
[  755.151848] c3 (unregistering): left allmulticast mode
[  755.151949] c3 (unregistering): left promiscuous mode
[  755.152046] br0: port 3(c3) entered disabled state
[  755.205432] br0: port 4(sender) entered disabled state
[  755.205802] sender (unregistering): left allmulticast mode
[  755.205900] sender (unregistering): left promiscuous mode
[  755.205977] br0: port 4(sender) entered disabled state