[  740.624693] br0: port 1(c1) entered blocking state
[  740.624823] br0: port 1(c1) entered disabled state
[  740.624902] c1: entered allmulticast mode
[  740.625015] c1: entered promiscuous mode
[  740.715473] br0: port 2(c2) entered blocking state
[  740.715562] br0: port 2(c2) entered disabled state
[  740.715680] c2: entered allmulticast mode
[  740.715796] c2: entered promiscuous mode
[  740.800761] br0: port 3(c3) entered blocking state
[  740.800852] br0: port 3(c3) entered disabled state
[  740.800929] c3: entered allmulticast mode
[  740.801049] c3: entered promiscuous mode
[  740.880788] br0: port 4(sender) entered blocking state
[  740.880868] br0: port 4(sender) entered disabled state
[  740.880954] sender: entered allmulticast mode
[  740.881081] sender: entered promiscuous mode
[  740.911531] br0: port 4(sender) entered blocking state
[  740.911614] br0: port 4(sender) entered forwarding state
[  740.911675] br0: port 3(c3) entered blocking state
[  740.911725] br0: port 3(c3) entered forwarding state
[  740.911775] br0: port 2(c2) entered blocking state
[  740.911823] br0: port 2(c2) entered forwarding state
[  740.911869] br0: port 1(c1) entered blocking state
[  740.911932] br0: port 1(c1) entered forwarding state
[  751.721218] br0: port 1(c1) entered disabled state
[  751.721588] c1 (unregistering): left allmulticast mode
[  751.721693] c1 (unregistering): left promiscuous mode
[  751.721745] br0: port 1(c1) entered disabled state
[  751.796315] br0: port 2(c2) entered disabled state
[  751.796717] c2 (unregistering): left allmulticast mode
[  751.796782] c2 (unregistering): left promiscuous mode
[  751.796820] br0: port 2(c2) entered disabled state
[  751.862250] br0: port 3(c3) entered disabled state
[  751.862683] c3 (unregistering): left allmulticast mode
[  751.862782] c3 (unregistering): left promiscuous mode
[  751.862843] br0: port 3(c3) entered disabled state
[  751.949218] br0: port 4(sender) entered disabled state
[  751.949945] sender (unregistering): left allmulticast mode
[  751.950136] sender (unregistering): left promiscuous mode
[  751.950205] br0: port 4(sender) entered disabled state