[  746.968420] br0: port 1(c1) entered blocking state
[  746.968514] br0: port 1(c1) entered disabled state
[  746.968580] c1: entered allmulticast mode
[  746.968658] c1: entered promiscuous mode
[  747.024929] br0: port 2(c2) entered blocking state
[  747.024998] br0: port 2(c2) entered disabled state
[  747.025062] c2: entered allmulticast mode
[  747.025159] c2: entered promiscuous mode
[  747.078496] br0: port 3(c3) entered blocking state
[  747.078585] br0: port 3(c3) entered disabled state
[  747.078674] c3: entered allmulticast mode
[  747.078772] c3: entered promiscuous mode
[  747.132398] br0: port 4(sender) entered blocking state
[  747.132475] br0: port 4(sender) entered disabled state
[  747.132552] sender: entered allmulticast mode
[  747.132671] sender: entered promiscuous mode
[  747.153380] br0: port 4(sender) entered blocking state
[  747.153461] br0: port 4(sender) entered forwarding state
[  747.153528] br0: port 3(c3) entered blocking state
[  747.153584] br0: port 3(c3) entered forwarding state
[  747.153647] br0: port 2(c2) entered blocking state
[  747.153704] br0: port 2(c2) entered forwarding state
[  747.153762] br0: port 1(c1) entered blocking state
[  747.153818] br0: port 1(c1) entered forwarding state
[  757.895813] br0: port 1(c1) entered disabled state
[  757.896328] c1 (unregistering): left allmulticast mode
[  757.896396] c1 (unregistering): left promiscuous mode
[  757.896439] br0: port 1(c1) entered disabled state
[  757.958851] br0: port 2(c2) entered disabled state
[  757.959154] c2 (unregistering): left allmulticast mode
[  757.959208] c2 (unregistering): left promiscuous mode
[  757.959254] br0: port 2(c2) entered disabled state
[  757.989807] br0: port 3(c3) entered disabled state
[  757.990183] c3 (unregistering): left allmulticast mode
[  757.990261] c3 (unregistering): left promiscuous mode
[  757.990328] br0: port 3(c3) entered disabled state
[  758.042787] br0: port 4(sender) entered disabled state
[  758.043063] sender (unregistering): left allmulticast mode
[  758.043134] sender (unregistering): left promiscuous mode
[  758.043200] br0: port 4(sender) entered disabled state