[  743.080946] br0: port 1(c1) entered blocking state
[  743.081050] br0: port 1(c1) entered disabled state
[  743.081126] c1: entered allmulticast mode
[  743.081237] c1: entered promiscuous mode
[  743.130065] br0: port 2(c2) entered blocking state
[  743.130116] br0: port 2(c2) entered disabled state
[  743.130174] c2: entered allmulticast mode
[  743.130243] c2: entered promiscuous mode
[  743.187653] br0: port 3(c3) entered blocking state
[  743.187727] br0: port 3(c3) entered disabled state
[  743.187798] c3: entered allmulticast mode
[  743.187882] c3: entered promiscuous mode
[  743.249290] br0: port 4(sender) entered blocking state
[  743.249357] br0: port 4(sender) entered disabled state
[  743.249426] sender: entered allmulticast mode
[  743.249524] sender: entered promiscuous mode
[  743.271847] br0: port 4(sender) entered blocking state
[  743.271924] br0: port 4(sender) entered forwarding state
[  743.272008] br0: port 3(c3) entered blocking state
[  743.272072] br0: port 3(c3) entered forwarding state
[  743.272126] br0: port 2(c2) entered blocking state
[  743.272179] br0: port 2(c2) entered forwarding state
[  743.272223] br0: port 1(c1) entered blocking state
[  743.272271] br0: port 1(c1) entered forwarding state
[  754.016387] br0: port 1(c1) entered disabled state
[  754.016674] c1 (unregistering): left allmulticast mode
[  754.016736] c1 (unregistering): left promiscuous mode
[  754.016774] br0: port 1(c1) entered disabled state
[  754.067425] br0: port 2(c2) entered disabled state
[  754.068246] c2 (unregistering): left allmulticast mode
[  754.068298] c2 (unregistering): left promiscuous mode
[  754.068340] br0: port 2(c2) entered disabled state
[  754.106359] br0: port 3(c3) entered disabled state
[  754.106583] c3 (unregistering): left allmulticast mode
[  754.106632] c3 (unregistering): left promiscuous mode
[  754.106676] br0: port 3(c3) entered disabled state
[  754.162365] br0: port 4(sender) entered disabled state
[  754.162648] sender (unregistering): left allmulticast mode
[  754.162715] sender (unregistering): left promiscuous mode
[  754.162769] br0: port 4(sender) entered disabled state