[  976.783667][T31778] br0: port 1(c1) entered blocking state
[  976.783861][T31778] br0: port 1(c1) entered disabled state
[  976.784025][T31778] c1: entered allmulticast mode
[  976.785651][T31778] c1: entered promiscuous mode
[  976.935830][T31783] br0: port 2(c2) entered blocking state
[  976.936045][T31783] br0: port 2(c2) entered disabled state
[  976.936249][T31783] c2: entered allmulticast mode
[  976.937750][T31783] c2: entered promiscuous mode
[  977.089587][T31788] br0: port 3(c3) entered blocking state
[  977.089798][T31788] br0: port 3(c3) entered disabled state
[  977.090011][T31788] c3: entered allmulticast mode
[  977.092546][T31788] c3: entered promiscuous mode
[  977.237177][T31793] br0: port 4(sender) entered blocking state
[  977.237386][T31793] br0: port 4(sender) entered disabled state
[  977.237590][T31793] sender: entered allmulticast mode
[  977.238995][T31793] sender: entered promiscuous mode
[  977.295088][T31795] br0: port 4(sender) entered blocking state
[  977.295294][T31795] br0: port 4(sender) entered forwarding state
[  977.295588][T31795] br0: port 3(c3) entered blocking state
[  977.295726][T31795] br0: port 3(c3) entered forwarding state
[  977.296003][T31795] br0: port 2(c2) entered blocking state
[  977.296141][T31795] br0: port 2(c2) entered forwarding state
[  977.296411][T31795] br0: port 1(c1) entered blocking state
[  977.296557][T31795] br0: port 1(c1) entered forwarding state
[  988.317670][   T72] br0: port 1(c1) entered disabled state
[  988.320866][   T72] c1 (unregistering): left allmulticast mode
[  988.321142][   T72] c1 (unregistering): left promiscuous mode
[  988.322435][   T72] br0: port 1(c1) entered disabled state
[  988.442811][   T72] br0: port 2(c2) entered disabled state
[  988.446500][   T72] c2 (unregistering): left allmulticast mode
[  988.446726][   T72] c2 (unregistering): left promiscuous mode
[  988.446943][   T72] br0: port 2(c2) entered disabled state
[  988.562942][   T72] br0: port 3(c3) entered disabled state
[  988.565184][   T72] c3 (unregistering): left allmulticast mode
[  988.565370][   T72] c3 (unregistering): left promiscuous mode
[  988.565895][   T72] br0: port 3(c3) entered disabled state
[  988.694511][   T72] br0: port 4(sender) entered disabled state
[  988.696927][   T72] sender (unregistering): left allmulticast mode
[  988.697171][   T72] sender (unregistering): left promiscuous mode
[  988.697390][   T72] br0: port 4(sender) entered disabled state