[  681.755003] br0: port 1(c1) entered blocking state
[  681.755067] br0: port 1(c1) entered disabled state
[  681.755131] c1: entered allmulticast mode
[  681.755211] c1: entered promiscuous mode
[  681.807994] br0: port 2(c2) entered blocking state
[  681.808093] br0: port 2(c2) entered disabled state
[  681.808175] c2: entered allmulticast mode
[  681.808262] c2: entered promiscuous mode
[  681.862645] br0: port 3(c3) entered blocking state
[  681.862766] br0: port 3(c3) entered disabled state
[  681.862852] c3: entered allmulticast mode
[  681.862957] c3: entered promiscuous mode
[  681.918749] br0: port 4(sender) entered blocking state
[  681.918824] br0: port 4(sender) entered disabled state
[  681.918887] sender: entered allmulticast mode
[  681.918987] sender: entered promiscuous mode
[  681.939291] br0: port 4(sender) entered blocking state
[  681.939358] br0: port 4(sender) entered forwarding state
[  681.939408] br0: port 3(c3) entered blocking state
[  681.939451] br0: port 3(c3) entered forwarding state
[  681.939491] br0: port 2(c2) entered blocking state
[  681.939540] br0: port 2(c2) entered forwarding state
[  681.939582] br0: port 1(c1) entered blocking state
[  681.939623] br0: port 1(c1) entered forwarding state
[  692.640916] br0: port 1(c1) entered disabled state
[  692.641302] c1 (unregistering): left allmulticast mode
[  692.641391] c1 (unregistering): left promiscuous mode
[  692.641470] br0: port 1(c1) entered disabled state
[  692.678965] br0: port 2(c2) entered disabled state
[  692.679579] c2 (unregistering): left allmulticast mode
[  692.679685] c2 (unregistering): left promiscuous mode
[  692.679781] br0: port 2(c2) entered disabled state
[  692.717950] br0: port 3(c3) entered disabled state
[  692.718380] c3 (unregistering): left allmulticast mode
[  692.718448] c3 (unregistering): left promiscuous mode
[  692.718496] br0: port 3(c3) entered disabled state
[  692.770928] br0: port 4(sender) entered disabled state
[  692.771311] sender (unregistering): left allmulticast mode
[  692.771397] sender (unregistering): left promiscuous mode
[  692.771479] br0: port 4(sender) entered disabled state