[  756.818691] br0: port 1(c1) entered blocking state
[  756.818801] br0: port 1(c1) entered disabled state
[  756.818898] c1: entered allmulticast mode
[  756.819012] c1: entered promiscuous mode
[  756.876378] br0: port 2(c2) entered blocking state
[  756.876440] br0: port 2(c2) entered disabled state
[  756.876508] c2: entered allmulticast mode
[  756.876590] c2: entered promiscuous mode
[  756.935004] br0: port 3(c3) entered blocking state
[  756.935111] br0: port 3(c3) entered disabled state
[  756.935196] c3: entered allmulticast mode
[  756.935308] c3: entered promiscuous mode
[  756.991652] br0: port 4(sender) entered blocking state
[  756.991797] br0: port 4(sender) entered disabled state
[  756.991908] sender: entered allmulticast mode
[  756.992054] sender: entered promiscuous mode
[  757.016339] br0: port 4(sender) entered blocking state
[  757.016466] br0: port 4(sender) entered forwarding state
[  757.016553] br0: port 3(c3) entered blocking state
[  757.016630] br0: port 3(c3) entered forwarding state
[  757.016711] br0: port 2(c2) entered blocking state
[  757.016788] br0: port 2(c2) entered forwarding state
[  757.016869] br0: port 1(c1) entered blocking state
[  757.016947] br0: port 1(c1) entered forwarding state
[  767.779145] br0: port 1(c1) entered disabled state
[  767.779467] c1 (unregistering): left allmulticast mode
[  767.779535] c1 (unregistering): left promiscuous mode
[  767.779596] br0: port 1(c1) entered disabled state
[  767.830225] br0: port 2(c2) entered disabled state
[  767.830798] c2 (unregistering): left allmulticast mode
[  767.830883] c2 (unregistering): left promiscuous mode
[  767.830936] br0: port 2(c2) entered disabled state
[  767.878230] br0: port 3(c3) entered disabled state
[  767.878538] c3 (unregistering): left allmulticast mode
[  767.878583] c3 (unregistering): left promiscuous mode
[  767.878633] br0: port 3(c3) entered disabled state
[  767.923222] br0: port 4(sender) entered disabled state
[  767.923532] sender (unregistering): left allmulticast mode
[  767.923590] sender (unregistering): left promiscuous mode
[  767.923645] br0: port 4(sender) entered disabled state