[   38.308504][  T740] br0: port 1(c1) entered blocking state
[   38.308695][  T740] br0: port 1(c1) entered disabled state
[   38.308854][  T740] c1: entered allmulticast mode
[   38.310328][  T740] c1: entered promiscuous mode
[   38.448675][  T745] br0: port 2(c2) entered blocking state
[   38.448874][  T745] br0: port 2(c2) entered disabled state
[   38.449078][  T745] c2: entered allmulticast mode
[   38.450856][  T745] c2: entered promiscuous mode
[   38.594783][  T750] br0: port 3(c3) entered blocking state
[   38.594944][  T750] br0: port 3(c3) entered disabled state
[   38.595098][  T750] c3: entered allmulticast mode
[   38.596627][  T750] c3: entered promiscuous mode
[   38.725853][  T755] br0: port 4(sender) entered blocking state
[   38.726082][  T755] br0: port 4(sender) entered disabled state
[   38.726525][  T755] sender: entered allmulticast mode
[   38.727984][  T755] sender: entered promiscuous mode
[   38.770938][  T757] br0: port 4(sender) entered blocking state
[   38.771261][  T757] br0: port 4(sender) entered forwarding state
[   38.771808][  T757] br0: port 3(c3) entered blocking state
[   38.771991][  T757] br0: port 3(c3) entered forwarding state
[   38.772336][  T757] br0: port 2(c2) entered blocking state
[   38.772525][  T757] br0: port 2(c2) entered forwarding state
[   38.772858][  T757] br0: port 1(c1) entered blocking state
[   38.773039][  T757] br0: port 1(c1) entered forwarding state
[   49.951625][   T68] br0: port 1(c1) entered disabled state
[   49.954614][   T68] c1 (unregistering): left allmulticast mode
[   49.954827][   T68] c1 (unregistering): left promiscuous mode
[   49.955091][   T68] br0: port 1(c1) entered disabled state
[   50.073126][   T68] br0: port 2(c2) entered disabled state
[   50.076034][   T68] c2 (unregistering): left allmulticast mode
[   50.076233][   T68] c2 (unregistering): left promiscuous mode
[   50.076400][   T68] br0: port 2(c2) entered disabled state
[   50.189854][   T68] br0: port 3(c3) entered disabled state
[   50.191929][   T68] c3 (unregistering): left allmulticast mode
[   50.192120][   T68] c3 (unregistering): left promiscuous mode
[   50.192300][   T68] br0: port 3(c3) entered disabled state
[   50.321861][   T68] br0: port 4(sender) entered disabled state
[   50.324021][   T68] sender (unregistering): left allmulticast mode
[   50.324210][   T68] sender (unregistering): left promiscuous mode
[   50.324378][   T68] br0: port 4(sender) entered disabled state