[  742.296743] br0: port 1(c1) entered blocking state
[  742.296830] br0: port 1(c1) entered disabled state
[  742.296915] c1: entered allmulticast mode
[  742.297013] c1: entered promiscuous mode
[  742.349524] br0: port 2(c2) entered blocking state
[  742.349605] br0: port 2(c2) entered disabled state
[  742.349717] c2: entered allmulticast mode
[  742.349839] c2: entered promiscuous mode
[  742.422731] br0: port 3(c3) entered blocking state
[  742.422815] br0: port 3(c3) entered disabled state
[  742.422891] c3: entered allmulticast mode
[  742.422982] c3: entered promiscuous mode
[  742.482194] br0: port 4(sender) entered blocking state
[  742.482304] br0: port 4(sender) entered disabled state
[  742.482393] sender: entered allmulticast mode
[  742.482513] sender: entered promiscuous mode
[  742.505754] br0: port 4(sender) entered blocking state
[  742.505880] br0: port 4(sender) entered forwarding state
[  742.505967] br0: port 3(c3) entered blocking state
[  742.506053] br0: port 3(c3) entered forwarding state
[  742.506119] br0: port 2(c2) entered blocking state
[  742.506202] br0: port 2(c2) entered forwarding state
[  742.506278] br0: port 1(c1) entered blocking state
[  742.506371] br0: port 1(c1) entered forwarding state
[  753.215080] br0: port 1(c1) entered disabled state
[  753.215467] c1 (unregistering): left allmulticast mode
[  753.215535] c1 (unregistering): left promiscuous mode
[  753.215596] br0: port 1(c1) entered disabled state
[  753.249108] br0: port 2(c2) entered disabled state
[  753.249479] c2 (unregistering): left allmulticast mode
[  753.249557] c2 (unregistering): left promiscuous mode
[  753.249610] br0: port 2(c2) entered disabled state
[  753.291087] br0: port 3(c3) entered disabled state
[  753.291371] c3 (unregistering): left allmulticast mode
[  753.291457] c3 (unregistering): left promiscuous mode
[  753.291526] br0: port 3(c3) entered disabled state
[  753.334052] br0: port 4(sender) entered disabled state
[  753.334377] sender (unregistering): left allmulticast mode
[  753.334467] sender (unregistering): left promiscuous mode
[  753.334527] br0: port 4(sender) entered disabled state