[   41.518619][  T752] br0: port 1(c1) entered blocking state
[   41.518882][  T752] br0: port 1(c1) entered disabled state
[   41.519101][  T752] c1: entered allmulticast mode
[   41.520597][  T752] c1: entered promiscuous mode
[   41.684180][  T757] br0: port 2(c2) entered blocking state
[   41.684351][  T757] br0: port 2(c2) entered disabled state
[   41.684506][  T757] c2: entered allmulticast mode
[   41.685928][  T757] c2: entered promiscuous mode
[   41.853420][  T762] br0: port 3(c3) entered blocking state
[   41.853606][  T762] br0: port 3(c3) entered disabled state
[   41.854124][  T762] c3: entered allmulticast mode
[   41.855552][  T762] c3: entered promiscuous mode
[   42.015656][  T767] br0: port 4(sender) entered blocking state
[   42.015873][  T767] br0: port 4(sender) entered disabled state
[   42.016056][  T767] sender: entered allmulticast mode
[   42.017461][  T767] sender: entered promiscuous mode
[   42.077923][  T769] br0: port 4(sender) entered blocking state
[   42.078245][  T769] br0: port 4(sender) entered forwarding state
[   42.078730][  T769] br0: port 3(c3) entered blocking state
[   42.078884][  T769] br0: port 3(c3) entered forwarding state
[   42.079176][  T769] br0: port 2(c2) entered blocking state
[   42.079325][  T769] br0: port 2(c2) entered forwarding state
[   42.079637][  T769] br0: port 1(c1) entered blocking state
[   42.079798][  T769] br0: port 1(c1) entered forwarding state
[   53.369539][   T12] br0: port 1(c1) entered disabled state
[   53.378236][   T12] c1 (unregistering): left allmulticast mode
[   53.378479][   T12] c1 (unregistering): left promiscuous mode
[   53.379195][   T12] br0: port 1(c1) entered disabled state
[   53.512488][   T12] br0: port 2(c2) entered disabled state
[   53.521497][   T12] c2 (unregistering): left allmulticast mode
[   53.521707][   T12] c2 (unregistering): left promiscuous mode
[   53.521884][   T12] br0: port 2(c2) entered disabled state
[   53.660145][   T12] br0: port 3(c3) entered disabled state
[   53.667410][   T12] c3 (unregistering): left allmulticast mode
[   53.667606][   T12] c3 (unregistering): left promiscuous mode
[   53.667796][   T12] br0: port 3(c3) entered disabled state
[   53.809484][   T12] br0: port 4(sender) entered disabled state
[   53.816888][   T12] sender (unregistering): left allmulticast mode
[   53.817084][   T12] sender (unregistering): left promiscuous mode
[   53.817263][   T12] br0: port 4(sender) entered disabled state