[   39.223158][  T740] br0: port 1(c1) entered blocking state
[   39.223384][  T740] br0: port 1(c1) entered disabled state
[   39.223596][  T740] c1: entered allmulticast mode
[   39.225088][  T740] c1: entered promiscuous mode
[   39.361058][  T746] br0: port 2(c2) entered blocking state
[   39.361230][  T746] br0: port 2(c2) entered disabled state
[   39.361386][  T746] c2: entered allmulticast mode
[   39.363338][  T746] c2: entered promiscuous mode
[   39.499927][  T751] br0: port 3(c3) entered blocking state
[   39.500122][  T751] br0: port 3(c3) entered disabled state
[   39.500282][  T751] c3: entered allmulticast mode
[   39.501724][  T751] c3: entered promiscuous mode
[   39.635273][  T756] br0: port 4(sender) entered blocking state
[   39.635521][  T756] br0: port 4(sender) entered disabled state
[   39.635760][  T756] sender: entered allmulticast mode
[   39.637241][  T756] sender: entered promiscuous mode
[   39.679607][  T758] br0: port 4(sender) entered blocking state
[   39.679956][  T758] br0: port 4(sender) entered forwarding state
[   39.680583][  T758] br0: port 3(c3) entered blocking state
[   39.680770][  T758] br0: port 3(c3) entered forwarding state
[   39.681131][  T758] br0: port 2(c2) entered blocking state
[   39.681317][  T758] br0: port 2(c2) entered forwarding state
[   39.681655][  T758] br0: port 1(c1) entered blocking state
[   39.681840][  T758] br0: port 1(c1) entered forwarding state
[   50.870893][   T12] br0: port 1(c1) entered disabled state
[   50.878920][   T12] c1 (unregistering): left allmulticast mode
[   50.879379][   T12] c1 (unregistering): left promiscuous mode
[   50.879565][   T12] br0: port 1(c1) entered disabled state
[   50.988376][   T12] br0: port 2(c2) entered disabled state
[   50.990637][   T12] c2 (unregistering): left allmulticast mode
[   50.990825][   T12] c2 (unregistering): left promiscuous mode
[   50.990996][   T12] br0: port 2(c2) entered disabled state
[   51.105433][   T12] br0: port 3(c3) entered disabled state
[   51.107938][   T12] c3 (unregistering): left allmulticast mode
[   51.108180][   T12] c3 (unregistering): left promiscuous mode
[   51.108367][   T12] br0: port 3(c3) entered disabled state
[   51.231508][   T12] br0: port 4(sender) entered disabled state
[   51.236047][   T12] sender (unregistering): left allmulticast mode
[   51.236241][   T12] sender (unregistering): left promiscuous mode
[   51.236415][   T12] br0: port 4(sender) entered disabled state