[  750.247136] br0: port 1(c1) entered blocking state
[  750.247210] br0: port 1(c1) entered disabled state
[  750.247285] c1: entered allmulticast mode
[  750.247406] c1: entered promiscuous mode
[  750.312867] br0: port 2(c2) entered blocking state
[  750.313009] br0: port 2(c2) entered disabled state
[  750.313116] c2: entered allmulticast mode
[  750.313245] c2: entered promiscuous mode
[  750.378018] br0: port 3(c3) entered blocking state
[  750.378103] br0: port 3(c3) entered disabled state
[  750.378186] c3: entered allmulticast mode
[  750.378273] c3: entered promiscuous mode
[  750.442649] br0: port 4(sender) entered blocking state
[  750.442773] br0: port 4(sender) entered disabled state
[  750.442868] sender: entered allmulticast mode
[  750.442991] sender: entered promiscuous mode
[  750.469595] br0: port 4(sender) entered blocking state
[  750.469723] br0: port 4(sender) entered forwarding state
[  750.469803] br0: port 3(c3) entered blocking state
[  750.469880] br0: port 3(c3) entered forwarding state
[  750.469961] br0: port 2(c2) entered blocking state
[  750.470028] br0: port 2(c2) entered forwarding state
[  750.470115] br0: port 1(c1) entered blocking state
[  750.470182] br0: port 1(c1) entered forwarding state
[  761.265471] br0: port 1(c1) entered disabled state
[  761.265786] c1 (unregistering): left allmulticast mode
[  761.265872] c1 (unregistering): left promiscuous mode
[  761.265952] br0: port 1(c1) entered disabled state
[  761.312502] br0: port 2(c2) entered disabled state
[  761.312857] c2 (unregistering): left allmulticast mode
[  761.312948] c2 (unregistering): left promiscuous mode
[  761.313010] br0: port 2(c2) entered disabled state
[  761.351542] br0: port 3(c3) entered disabled state
[  761.351936] c3 (unregistering): left allmulticast mode
[  761.352022] c3 (unregistering): left promiscuous mode
[  761.352099] br0: port 3(c3) entered disabled state
[  761.401503] br0: port 4(sender) entered disabled state
[  761.401887] sender (unregistering): left allmulticast mode
[  761.401969] sender (unregistering): left promiscuous mode
[  761.402042] br0: port 4(sender) entered disabled state