[   37.909346] br0: port 1(c1) entered blocking state
[   37.909423] br0: port 1(c1) entered disabled state
[   37.909494] c1: entered allmulticast mode
[   37.909579] c1: entered promiscuous mode
[   37.980838] br0: port 2(c2) entered blocking state
[   37.980965] br0: port 2(c2) entered disabled state
[   37.981057] c2: entered allmulticast mode
[   37.981182] c2: entered promiscuous mode
[   38.048666] br0: port 3(c3) entered blocking state
[   38.048746] br0: port 3(c3) entered disabled state
[   38.048815] c3: entered allmulticast mode
[   38.048912] c3: entered promiscuous mode
[   38.104851] br0: port 4(sender) entered blocking state
[   38.104945] br0: port 4(sender) entered disabled state
[   38.105008] sender: entered allmulticast mode
[   38.105091] sender: entered promiscuous mode
[   38.125735] br0: port 4(sender) entered blocking state
[   38.125793] br0: port 4(sender) entered forwarding state
[   38.125879] br0: port 3(c3) entered blocking state
[   38.125927] br0: port 3(c3) entered forwarding state
[   38.125978] br0: port 2(c2) entered blocking state
[   38.126025] br0: port 2(c2) entered forwarding state
[   38.126078] br0: port 1(c1) entered blocking state
[   38.126136] br0: port 1(c1) entered forwarding state
[   48.991295] br0: port 1(c1) entered disabled state
[   48.991627] c1 (unregistering): left allmulticast mode
[   48.991679] c1 (unregistering): left promiscuous mode
[   48.991736] br0: port 1(c1) entered disabled state
[   49.036303] br0: port 2(c2) entered disabled state
[   49.036686] c2 (unregistering): left allmulticast mode
[   49.036750] c2 (unregistering): left promiscuous mode
[   49.036806] br0: port 2(c2) entered disabled state
[   49.074303] br0: port 3(c3) entered disabled state
[   49.074669] c3 (unregistering): left allmulticast mode
[   49.074735] c3 (unregistering): left promiscuous mode
[   49.074776] br0: port 3(c3) entered disabled state
[   49.112305] br0: port 4(sender) entered disabled state
[   49.112603] sender (unregistering): left allmulticast mode
[   49.112669] sender (unregistering): left promiscuous mode
[   49.112743] br0: port 4(sender) entered disabled state