[  744.898738] br0: port 1(c1) entered blocking state
[  744.898837] br0: port 1(c1) entered disabled state
[  744.898917] c1: entered allmulticast mode
[  744.899007] c1: entered promiscuous mode
[  744.953221] br0: port 2(c2) entered blocking state
[  744.953287] br0: port 2(c2) entered disabled state
[  744.953349] c2: entered allmulticast mode
[  744.953425] c2: entered promiscuous mode
[  745.010468] br0: port 3(c3) entered blocking state
[  745.010543] br0: port 3(c3) entered disabled state
[  745.010624] c3: entered allmulticast mode
[  745.010704] c3: entered promiscuous mode
[  745.063354] br0: port 4(sender) entered blocking state
[  745.063420] br0: port 4(sender) entered disabled state
[  745.063483] sender: entered allmulticast mode
[  745.063590] sender: entered promiscuous mode
[  745.083667] br0: port 4(sender) entered blocking state
[  745.083725] br0: port 4(sender) entered forwarding state
[  745.083779] br0: port 3(c3) entered blocking state
[  745.083824] br0: port 3(c3) entered forwarding state
[  745.083871] br0: port 2(c2) entered blocking state
[  745.083913] br0: port 2(c2) entered forwarding state
[  745.083968] br0: port 1(c1) entered blocking state
[  745.084016] br0: port 1(c1) entered forwarding state
[  755.820559] br0: port 1(c1) entered disabled state
[  755.821029] c1 (unregistering): left allmulticast mode
[  755.821206] c1 (unregistering): left promiscuous mode
[  755.821414] br0: port 1(c1) entered disabled state
[  755.912437] br0: port 2(c2) entered disabled state
[  755.913002] c2 (unregistering): left allmulticast mode
[  755.913097] c2 (unregistering): left promiscuous mode
[  755.913171] br0: port 2(c2) entered disabled state
[  755.999424] br0: port 3(c3) entered disabled state
[  755.999896] c3 (unregistering): left allmulticast mode
[  756.000030] c3 (unregistering): left promiscuous mode
[  756.000074] br0: port 3(c3) entered disabled state
[  756.076716] br0: port 4(sender) entered disabled state
[  756.077126] sender (unregistering): left allmulticast mode
[  756.077348] sender (unregistering): left promiscuous mode
[  756.077421] br0: port 4(sender) entered disabled state