[  681.285792] br0: port 1(c1) entered blocking state
[  681.285891] br0: port 1(c1) entered disabled state
[  681.285952] c1: entered allmulticast mode
[  681.286028] c1: entered promiscuous mode
[  681.337553] br0: port 2(c2) entered blocking state
[  681.337626] br0: port 2(c2) entered disabled state
[  681.337692] c2: entered allmulticast mode
[  681.337782] c2: entered promiscuous mode
[  681.387982] br0: port 3(c3) entered blocking state
[  681.388040] br0: port 3(c3) entered disabled state
[  681.388098] c3: entered allmulticast mode
[  681.388163] c3: entered promiscuous mode
[  681.435779] br0: port 4(sender) entered blocking state
[  681.435866] br0: port 4(sender) entered disabled state
[  681.435929] sender: entered allmulticast mode
[  681.436012] sender: entered promiscuous mode
[  681.454112] br0: port 4(sender) entered blocking state
[  681.454207] br0: port 4(sender) entered forwarding state
[  681.454278] br0: port 3(c3) entered blocking state
[  681.454349] br0: port 3(c3) entered forwarding state
[  681.454419] br0: port 2(c2) entered blocking state
[  681.454478] br0: port 2(c2) entered forwarding state
[  681.454544] br0: port 1(c1) entered blocking state
[  681.454606] br0: port 1(c1) entered forwarding state
[  692.152550] br0: port 1(c1) entered disabled state
[  692.152880] c1 (unregistering): left allmulticast mode
[  692.152924] c1 (unregistering): left promiscuous mode
[  692.152962] br0: port 1(c1) entered disabled state
[  692.181530] br0: port 2(c2) entered disabled state
[  692.181847] c2 (unregistering): left allmulticast mode
[  692.181897] c2 (unregistering): left promiscuous mode
[  692.181938] br0: port 2(c2) entered disabled state
[  692.218530] br0: port 3(c3) entered disabled state
[  692.218956] c3 (unregistering): left allmulticast mode
[  692.219016] c3 (unregistering): left promiscuous mode
[  692.219055] br0: port 3(c3) entered disabled state
[  692.257532] br0: port 4(sender) entered disabled state
[  692.257799] sender (unregistering): left allmulticast mode
[  692.257841] sender (unregistering): left promiscuous mode
[  692.257891] br0: port 4(sender) entered disabled state