[  500.024519] br0: port 1(c1) entered blocking state
[  500.024603] br0: port 1(c1) entered disabled state
[  500.024668] c1: entered allmulticast mode
[  500.024742] c1: entered promiscuous mode
[  500.076788] br0: port 2(c2) entered blocking state
[  500.076853] br0: port 2(c2) entered disabled state
[  500.076908] c2: entered allmulticast mode
[  500.076982] c2: entered promiscuous mode
[  500.132996] br0: port 3(c3) entered blocking state
[  500.133107] br0: port 3(c3) entered disabled state
[  500.133189] c3: entered allmulticast mode
[  500.133303] c3: entered promiscuous mode
[  500.188536] br0: port 4(sender) entered blocking state
[  500.188611] br0: port 4(sender) entered disabled state
[  500.188669] sender: entered allmulticast mode
[  500.188762] sender: entered promiscuous mode
[  500.209930] br0: port 4(sender) entered blocking state
[  500.210012] br0: port 4(sender) entered forwarding state
[  500.210064] br0: port 3(c3) entered blocking state
[  500.210118] br0: port 3(c3) entered forwarding state
[  500.210168] br0: port 2(c2) entered blocking state
[  500.210232] br0: port 2(c2) entered forwarding state
[  500.210292] br0: port 1(c1) entered blocking state
[  500.210344] br0: port 1(c1) entered forwarding state
[  510.915362] br0: port 1(c1) entered disabled state
[  510.915866] c1 (unregistering): left allmulticast mode
[  510.915946] c1 (unregistering): left promiscuous mode
[  510.916013] br0: port 1(c1) entered disabled state
[  510.947425] br0: port 2(c2) entered disabled state
[  510.947761] c2 (unregistering): left allmulticast mode
[  510.947862] c2 (unregistering): left promiscuous mode
[  510.947929] br0: port 2(c2) entered disabled state
[  510.989350] br0: port 3(c3) entered disabled state
[  510.989583] c3 (unregistering): left allmulticast mode
[  510.989629] c3 (unregistering): left promiscuous mode
[  510.989671] br0: port 3(c3) entered disabled state
[  511.019433] br0: port 4(sender) entered disabled state
[  511.019799] sender (unregistering): left allmulticast mode
[  511.019840] sender (unregistering): left promiscuous mode
[  511.019880] br0: port 4(sender) entered disabled state