[   42.710587][  T750] br0: port 1(c1) entered blocking state
[   42.710875][  T750] br0: port 1(c1) entered disabled state
[   42.711546][  T750] c1: entered allmulticast mode
[   42.713442][  T750] c1: entered promiscuous mode
[   42.889199][  T755] br0: port 2(c2) entered blocking state
[   42.889400][  T755] br0: port 2(c2) entered disabled state
[   42.889607][  T755] c2: entered allmulticast mode
[   42.891999][  T755] c2: entered promiscuous mode
[   43.061551][  T760] br0: port 3(c3) entered blocking state
[   43.061800][  T760] br0: port 3(c3) entered disabled state
[   43.062059][  T760] c3: entered allmulticast mode
[   43.064469][  T760] c3: entered promiscuous mode
[   43.235114][  T765] br0: port 4(sender) entered blocking state
[   43.235403][  T765] br0: port 4(sender) entered disabled state
[   43.235702][  T765] sender: entered allmulticast mode
[   43.238062][  T765] sender: entered promiscuous mode
[   43.297421][  T767] br0: port 4(sender) entered blocking state
[   43.297805][  T767] br0: port 4(sender) entered forwarding state
[   43.298456][  T767] br0: port 3(c3) entered blocking state
[   43.298633][  T767] br0: port 3(c3) entered forwarding state
[   43.298981][  T767] br0: port 2(c2) entered blocking state
[   43.299159][  T767] br0: port 2(c2) entered forwarding state
[   43.299509][  T767] br0: port 1(c1) entered blocking state
[   43.299682][  T767] br0: port 1(c1) entered forwarding state
[   54.591834][   T12] br0: port 1(c1) entered disabled state
[   54.595982][   T12] c1 (unregistering): left allmulticast mode
[   54.596345][   T12] c1 (unregistering): left promiscuous mode
[   54.596891][   T12] br0: port 1(c1) entered disabled state
[   54.745365][   T12] br0: port 2(c2) entered disabled state
[   54.748343][   T12] c2 (unregistering): left allmulticast mode
[   54.748598][   T12] c2 (unregistering): left promiscuous mode
[   54.748810][   T12] br0: port 2(c2) entered disabled state
[   54.906418][   T12] br0: port 3(c3) entered disabled state
[   54.919028][   T12] c3 (unregistering): left allmulticast mode
[   54.919319][   T12] c3 (unregistering): left promiscuous mode
[   54.919584][   T12] br0: port 3(c3) entered disabled state
[   55.059091][   T12] br0: port 4(sender) entered disabled state
[   55.062421][   T12] sender (unregistering): left allmulticast mode
[   55.062700][   T12] sender (unregistering): left promiscuous mode
[   55.062961][   T12] br0: port 4(sender) entered disabled state