[  495.443602] br0: port 1(c1) entered blocking state
[  495.443683] br0: port 1(c1) entered disabled state
[  495.443734] c1: entered allmulticast mode
[  495.443798] c1: entered promiscuous mode
[  495.491938] br0: port 2(c2) entered blocking state
[  495.491998] br0: port 2(c2) entered disabled state
[  495.492057] c2: entered allmulticast mode
[  495.492139] c2: entered promiscuous mode
[  495.544696] br0: port 3(c3) entered blocking state
[  495.544820] br0: port 3(c3) entered disabled state
[  495.544912] c3: entered allmulticast mode
[  495.545008] c3: entered promiscuous mode
[  495.597516] br0: port 4(sender) entered blocking state
[  495.597577] br0: port 4(sender) entered disabled state
[  495.597646] sender: entered allmulticast mode
[  495.597747] sender: entered promiscuous mode
[  495.617915] br0: port 4(sender) entered blocking state
[  495.617983] br0: port 4(sender) entered forwarding state
[  495.618059] br0: port 3(c3) entered blocking state
[  495.618121] br0: port 3(c3) entered forwarding state
[  495.618180] br0: port 2(c2) entered blocking state
[  495.618231] br0: port 2(c2) entered forwarding state
[  495.618288] br0: port 1(c1) entered blocking state
[  495.618341] br0: port 1(c1) entered forwarding state
[  506.357249] br0: port 1(c1) entered disabled state
[  506.357558] c1 (unregistering): left allmulticast mode
[  506.357608] c1 (unregistering): left promiscuous mode
[  506.357651] br0: port 1(c1) entered disabled state
[  506.399269] br0: port 2(c2) entered disabled state
[  506.399753] c2 (unregistering): left allmulticast mode
[  506.399829] c2 (unregistering): left promiscuous mode
[  506.399869] br0: port 2(c2) entered disabled state
[  506.445313] br0: port 3(c3) entered disabled state
[  506.445714] c3 (unregistering): left allmulticast mode
[  506.445793] c3 (unregistering): left promiscuous mode
[  506.445845] br0: port 3(c3) entered disabled state
[  506.489420] br0: port 4(sender) entered disabled state
[  506.489756] sender (unregistering): left allmulticast mode
[  506.489832] sender (unregistering): left promiscuous mode
[  506.489896] br0: port 4(sender) entered disabled state