[  743.962087] br0: port 1(c1) entered blocking state
[  743.962163] br0: port 1(c1) entered disabled state
[  743.962236] c1: entered allmulticast mode
[  743.962339] c1: entered promiscuous mode
[  744.016463] br0: port 2(c2) entered blocking state
[  744.016565] br0: port 2(c2) entered disabled state
[  744.016638] c2: entered allmulticast mode
[  744.016724] c2: entered promiscuous mode
[  744.071219] br0: port 3(c3) entered blocking state
[  744.071299] br0: port 3(c3) entered disabled state
[  744.071368] c3: entered allmulticast mode
[  744.071454] c3: entered promiscuous mode
[  744.125771] br0: port 4(sender) entered blocking state
[  744.125887] br0: port 4(sender) entered disabled state
[  744.125980] sender: entered allmulticast mode
[  744.126088] sender: entered promiscuous mode
[  744.147929] br0: port 4(sender) entered blocking state
[  744.148040] br0: port 4(sender) entered forwarding state
[  744.148108] br0: port 3(c3) entered blocking state
[  744.148158] br0: port 3(c3) entered forwarding state
[  744.148209] br0: port 2(c2) entered blocking state
[  744.148258] br0: port 2(c2) entered forwarding state
[  744.148310] br0: port 1(c1) entered blocking state
[  744.148357] br0: port 1(c1) entered forwarding state
[  754.912125] br0: port 1(c1) entered disabled state
[  754.912463] c1 (unregistering): left allmulticast mode
[  754.912528] c1 (unregistering): left promiscuous mode
[  754.912586] br0: port 1(c1) entered disabled state
[  754.961112] br0: port 2(c2) entered disabled state
[  754.961425] c2 (unregistering): left allmulticast mode
[  754.961482] c2 (unregistering): left promiscuous mode
[  754.961530] br0: port 2(c2) entered disabled state
[  755.013101] br0: port 3(c3) entered disabled state
[  755.013554] c3 (unregistering): left allmulticast mode
[  755.013640] c3 (unregistering): left promiscuous mode
[  755.013704] br0: port 3(c3) entered disabled state
[  755.053100] br0: port 4(sender) entered disabled state
[  755.053415] sender (unregistering): left allmulticast mode
[  755.053491] sender (unregistering): left promiscuous mode
[  755.053558] br0: port 4(sender) entered disabled state