[  502.997493] br0: port 1(c1) entered blocking state
[  502.997566] br0: port 1(c1) entered disabled state
[  502.997642] c1: entered allmulticast mode
[  502.997714] c1: entered promiscuous mode
[  503.058647] br0: port 2(c2) entered blocking state
[  503.058775] br0: port 2(c2) entered disabled state
[  503.058859] c2: entered allmulticast mode
[  503.058968] c2: entered promiscuous mode
[  503.115409] br0: port 3(c3) entered blocking state
[  503.115484] br0: port 3(c3) entered disabled state
[  503.115554] c3: entered allmulticast mode
[  503.115629] c3: entered promiscuous mode
[  503.170412] br0: port 4(sender) entered blocking state
[  503.170528] br0: port 4(sender) entered disabled state
[  503.170608] sender: entered allmulticast mode
[  503.170726] sender: entered promiscuous mode
[  503.191908] br0: port 4(sender) entered blocking state
[  503.192038] br0: port 4(sender) entered forwarding state
[  503.192126] br0: port 3(c3) entered blocking state
[  503.192202] br0: port 3(c3) entered forwarding state
[  503.192285] br0: port 2(c2) entered blocking state
[  503.192361] br0: port 2(c2) entered forwarding state
[  503.192439] br0: port 1(c1) entered blocking state
[  503.192514] br0: port 1(c1) entered forwarding state
[  513.915145] br0: port 1(c1) entered disabled state
[  513.915523] c1 (unregistering): left allmulticast mode
[  513.915592] c1 (unregistering): left promiscuous mode
[  513.915671] br0: port 1(c1) entered disabled state
[  513.960133] br0: port 2(c2) entered disabled state
[  513.960460] c2 (unregistering): left allmulticast mode
[  513.960531] c2 (unregistering): left promiscuous mode
[  513.960615] br0: port 2(c2) entered disabled state
[  514.004148] br0: port 3(c3) entered disabled state
[  514.004550] c3 (unregistering): left allmulticast mode
[  514.004634] c3 (unregistering): left promiscuous mode
[  514.004681] br0: port 3(c3) entered disabled state
[  514.050125] br0: port 4(sender) entered disabled state
[  514.050448] sender (unregistering): left allmulticast mode
[  514.050514] sender (unregistering): left promiscuous mode
[  514.050593] br0: port 4(sender) entered disabled state