[   38.850281][  T752] br0: port 1(c1) entered blocking state
[   38.850491][  T752] br0: port 1(c1) entered disabled state
[   38.850655][  T752] c1: entered allmulticast mode
[   38.852078][  T752] c1: entered promiscuous mode
[   39.000795][  T757] br0: port 2(c2) entered blocking state
[   39.000972][  T757] br0: port 2(c2) entered disabled state
[   39.001139][  T757] c2: entered allmulticast mode
[   39.002622][  T757] c2: entered promiscuous mode
[   39.153015][  T762] br0: port 3(c3) entered blocking state
[   39.153251][  T762] br0: port 3(c3) entered disabled state
[   39.153479][  T762] c3: entered allmulticast mode
[   39.155008][  T762] c3: entered promiscuous mode
[   39.301613][  T767] br0: port 4(sender) entered blocking state
[   39.301809][  T767] br0: port 4(sender) entered disabled state
[   39.301990][  T767] sender: entered allmulticast mode
[   39.303430][  T767] sender: entered promiscuous mode
[   39.353750][  T769] br0: port 4(sender) entered blocking state
[   39.354139][  T769] br0: port 4(sender) entered forwarding state
[   39.354797][  T769] br0: port 3(c3) entered blocking state
[   39.354989][  T769] br0: port 3(c3) entered forwarding state
[   39.355482][  T769] br0: port 2(c2) entered blocking state
[   39.355676][  T769] br0: port 2(c2) entered forwarding state
[   39.356019][  T769] br0: port 1(c1) entered blocking state
[   39.356210][  T769] br0: port 1(c1) entered forwarding state
[   50.565550][   T12] br0: port 1(c1) entered disabled state
[   50.575710][   T12] c1 (unregistering): left allmulticast mode
[   50.575970][   T12] c1 (unregistering): left promiscuous mode
[   50.576239][   T12] br0: port 1(c1) entered disabled state
[   50.702634][   T12] br0: port 2(c2) entered disabled state
[   50.710628][   T12] c2 (unregistering): left allmulticast mode
[   50.710956][   T12] c2 (unregistering): left promiscuous mode
[   50.711185][   T12] br0: port 2(c2) entered disabled state
[   50.833275][   T12] br0: port 3(c3) entered disabled state
[   50.843840][   T12] c3 (unregistering): left allmulticast mode
[   50.844035][   T12] c3 (unregistering): left promiscuous mode
[   50.844202][   T12] br0: port 3(c3) entered disabled state
[   50.982897][   T12] br0: port 4(sender) entered disabled state
[   50.991215][   T12] sender (unregistering): left allmulticast mode
[   50.991500][   T12] sender (unregistering): left promiscuous mode
[   50.991681][   T12] br0: port 4(sender) entered disabled state