[  752.649999] br0: port 1(c1) entered blocking state
[  752.650097] br0: port 1(c1) entered disabled state
[  752.650187] c1: entered allmulticast mode
[  752.650304] c1: entered promiscuous mode
[  752.745187] br0: port 2(c2) entered blocking state
[  752.745286] br0: port 2(c2) entered disabled state
[  752.745369] c2: entered allmulticast mode
[  752.745484] c2: entered promiscuous mode
[  752.846220] br0: port 3(c3) entered blocking state
[  752.846369] br0: port 3(c3) entered disabled state
[  752.846474] c3: entered allmulticast mode
[  752.846602] c3: entered promiscuous mode
[  752.938848] br0: port 4(sender) entered blocking state
[  752.938963] br0: port 4(sender) entered disabled state
[  752.939051] sender: entered allmulticast mode
[  752.939174] sender: entered promiscuous mode
[  752.969445] br0: port 4(sender) entered blocking state
[  752.969538] br0: port 4(sender) entered forwarding state
[  752.969601] br0: port 3(c3) entered blocking state
[  752.969692] br0: port 3(c3) entered forwarding state
[  752.969748] br0: port 2(c2) entered blocking state
[  752.969811] br0: port 2(c2) entered forwarding state
[  752.969870] br0: port 1(c1) entered blocking state
[  752.969925] br0: port 1(c1) entered forwarding state
[  763.756078] br0: port 1(c1) entered disabled state
[  763.756533] c1 (unregistering): left allmulticast mode
[  763.756619] c1 (unregistering): left promiscuous mode
[  763.756670] br0: port 1(c1) entered disabled state
[  763.814061] br0: port 2(c2) entered disabled state
[  763.814539] c2 (unregistering): left allmulticast mode
[  763.814636] c2 (unregistering): left promiscuous mode
[  763.814741] br0: port 2(c2) entered disabled state
[  763.875149] br0: port 3(c3) entered disabled state
[  763.875641] c3 (unregistering): left allmulticast mode
[  763.875743] c3 (unregistering): left promiscuous mode
[  763.875814] br0: port 3(c3) entered disabled state
[  763.923122] br0: port 4(sender) entered disabled state
[  763.923653] sender (unregistering): left allmulticast mode
[  763.923725] sender (unregistering): left promiscuous mode
[  763.923771] br0: port 4(sender) entered disabled state