[  743.934562] br0: port 1(c1) entered blocking state
[  743.934675] br0: port 1(c1) entered disabled state
[  743.934785] c1: entered allmulticast mode
[  743.934913] c1: entered promiscuous mode
[  744.029803] br0: port 2(c2) entered blocking state
[  744.029915] br0: port 2(c2) entered disabled state
[  744.030027] c2: entered allmulticast mode
[  744.030153] c2: entered promiscuous mode
[  744.116995] br0: port 3(c3) entered blocking state
[  744.117100] br0: port 3(c3) entered disabled state
[  744.117190] c3: entered allmulticast mode
[  744.117302] c3: entered promiscuous mode
[  744.190174] br0: port 4(sender) entered blocking state
[  744.190275] br0: port 4(sender) entered disabled state
[  744.190351] sender: entered allmulticast mode
[  744.190470] sender: entered promiscuous mode
[  744.218056] br0: port 4(sender) entered blocking state
[  744.218138] br0: port 4(sender) entered forwarding state
[  744.218208] br0: port 3(c3) entered blocking state
[  744.218266] br0: port 3(c3) entered forwarding state
[  744.218323] br0: port 2(c2) entered blocking state
[  744.218388] br0: port 2(c2) entered forwarding state
[  744.218444] br0: port 1(c1) entered blocking state
[  744.218500] br0: port 1(c1) entered forwarding state
[  754.975783] br0: port 1(c1) entered disabled state
[  754.976242] c1 (unregistering): left allmulticast mode
[  754.976316] c1 (unregistering): left promiscuous mode
[  754.976357] br0: port 1(c1) entered disabled state
[  755.032809] br0: port 2(c2) entered disabled state
[  755.033340] c2 (unregistering): left allmulticast mode
[  755.033422] c2 (unregistering): left promiscuous mode
[  755.033463] br0: port 2(c2) entered disabled state
[  755.104799] br0: port 3(c3) entered disabled state
[  755.105221] c3 (unregistering): left allmulticast mode
[  755.105286] c3 (unregistering): left promiscuous mode
[  755.105361] br0: port 3(c3) entered disabled state
[  755.170782] br0: port 4(sender) entered disabled state
[  755.171143] sender (unregistering): left allmulticast mode
[  755.171225] sender (unregistering): left promiscuous mode
[  755.171282] br0: port 4(sender) entered disabled state