[  740.221996] br0: port 1(c1) entered blocking state
[  740.222161] br0: port 1(c1) entered disabled state
[  740.222249] c1: entered allmulticast mode
[  740.222359] c1: entered promiscuous mode
[  740.302668] br0: port 2(c2) entered blocking state
[  740.302770] br0: port 2(c2) entered disabled state
[  740.302845] c2: entered allmulticast mode
[  740.302961] c2: entered promiscuous mode
[  740.381113] br0: port 3(c3) entered blocking state
[  740.381249] br0: port 3(c3) entered disabled state
[  740.381352] c3: entered allmulticast mode
[  740.381471] c3: entered promiscuous mode
[  740.462982] br0: port 4(sender) entered blocking state
[  740.463117] br0: port 4(sender) entered disabled state
[  740.463244] sender: entered allmulticast mode
[  740.463372] sender: entered promiscuous mode
[  740.493983] br0: port 4(sender) entered blocking state
[  740.494115] br0: port 4(sender) entered forwarding state
[  740.494207] br0: port 3(c3) entered blocking state
[  740.494264] br0: port 3(c3) entered forwarding state
[  740.494356] br0: port 2(c2) entered blocking state
[  740.494412] br0: port 2(c2) entered forwarding state
[  740.494489] br0: port 1(c1) entered blocking state
[  740.494543] br0: port 1(c1) entered forwarding state
[  751.340245] br0: port 1(c1) entered disabled state
[  751.340741] c1 (unregistering): left allmulticast mode
[  751.340839] c1 (unregistering): left promiscuous mode
[  751.340924] br0: port 1(c1) entered disabled state
[  751.396466] br0: port 2(c2) entered disabled state
[  751.397061] c2 (unregistering): left allmulticast mode
[  751.397174] c2 (unregistering): left promiscuous mode
[  751.397242] br0: port 2(c2) entered disabled state
[  751.451262] br0: port 3(c3) entered disabled state
[  751.451753] c3 (unregistering): left allmulticast mode
[  751.451834] c3 (unregistering): left promiscuous mode
[  751.451891] br0: port 3(c3) entered disabled state
[  751.511362] br0: port 4(sender) entered disabled state
[  751.511786] sender (unregistering): left allmulticast mode
[  751.511878] sender (unregistering): left promiscuous mode
[  751.511967] br0: port 4(sender) entered disabled state