[  508.967638] br0: port 1(c1) entered blocking state
[  508.967735] br0: port 1(c1) entered disabled state
[  508.967800] c1: entered allmulticast mode
[  508.967892] c1: entered promiscuous mode
[  509.018922] br0: port 2(c2) entered blocking state
[  509.018983] br0: port 2(c2) entered disabled state
[  509.019033] c2: entered allmulticast mode
[  509.019099] c2: entered promiscuous mode
[  509.075048] br0: port 3(c3) entered blocking state
[  509.075142] br0: port 3(c3) entered disabled state
[  509.075210] c3: entered allmulticast mode
[  509.075298] c3: entered promiscuous mode
[  509.130196] br0: port 4(sender) entered blocking state
[  509.130267] br0: port 4(sender) entered disabled state
[  509.130327] sender: entered allmulticast mode
[  509.130416] sender: entered promiscuous mode
[  509.151840] br0: port 4(sender) entered blocking state
[  509.151907] br0: port 4(sender) entered forwarding state
[  509.151963] br0: port 3(c3) entered blocking state
[  509.152015] br0: port 3(c3) entered forwarding state
[  509.152072] br0: port 2(c2) entered blocking state
[  509.152126] br0: port 2(c2) entered forwarding state
[  509.152178] br0: port 1(c1) entered blocking state
[  509.152231] br0: port 1(c1) entered forwarding state
[  519.865307] br0: port 1(c1) entered disabled state
[  519.865623] c1 (unregistering): left allmulticast mode
[  519.865681] c1 (unregistering): left promiscuous mode
[  519.865727] br0: port 1(c1) entered disabled state
[  519.917254] br0: port 2(c2) entered disabled state
[  519.917626] c2 (unregistering): left allmulticast mode
[  519.917706] c2 (unregistering): left promiscuous mode
[  519.917773] br0: port 2(c2) entered disabled state
[  519.949268] br0: port 3(c3) entered disabled state
[  519.949635] c3 (unregistering): left allmulticast mode
[  519.949710] c3 (unregistering): left promiscuous mode
[  519.949763] br0: port 3(c3) entered disabled state
[  519.980309] br0: port 4(sender) entered disabled state
[  519.980604] sender (unregistering): left allmulticast mode
[  519.980665] sender (unregistering): left promiscuous mode
[  519.980706] br0: port 4(sender) entered disabled state