[  741.500946] br0: port 1(c1) entered blocking state
[  741.501017] br0: port 1(c1) entered disabled state
[  741.501077] c1: entered allmulticast mode
[  741.501158] c1: entered promiscuous mode
[  741.560012] br0: port 2(c2) entered blocking state
[  741.560111] br0: port 2(c2) entered disabled state
[  741.560185] c2: entered allmulticast mode
[  741.560284] c2: entered promiscuous mode
[  741.625035] br0: port 3(c3) entered blocking state
[  741.625120] br0: port 3(c3) entered disabled state
[  741.625185] c3: entered allmulticast mode
[  741.625263] c3: entered promiscuous mode
[  741.687266] br0: port 4(sender) entered blocking state
[  741.687353] br0: port 4(sender) entered disabled state
[  741.687446] sender: entered allmulticast mode
[  741.687554] sender: entered promiscuous mode
[  741.713070] br0: port 4(sender) entered blocking state
[  741.713153] br0: port 4(sender) entered forwarding state
[  741.713209] br0: port 3(c3) entered blocking state
[  741.713258] br0: port 3(c3) entered forwarding state
[  741.713307] br0: port 2(c2) entered blocking state
[  741.713353] br0: port 2(c2) entered forwarding state
[  741.713402] br0: port 1(c1) entered blocking state
[  741.713447] br0: port 1(c1) entered forwarding state
[  752.477760] br0: port 1(c1) entered disabled state
[  752.478163] c1 (unregistering): left allmulticast mode
[  752.478245] c1 (unregistering): left promiscuous mode
[  752.478296] br0: port 1(c1) entered disabled state
[  752.543793] br0: port 2(c2) entered disabled state
[  752.544213] c2 (unregistering): left allmulticast mode
[  752.544303] c2 (unregistering): left promiscuous mode
[  752.544348] br0: port 2(c2) entered disabled state
[  752.589732] br0: port 3(c3) entered disabled state
[  752.590028] c3 (unregistering): left allmulticast mode
[  752.590127] c3 (unregistering): left promiscuous mode
[  752.590164] br0: port 3(c3) entered disabled state
[  752.639725] br0: port 4(sender) entered disabled state
[  752.640218] sender (unregistering): left allmulticast mode
[  752.640285] sender (unregistering): left promiscuous mode
[  752.640328] br0: port 4(sender) entered disabled state