[  749.196718] br0: port 1(c1) entered blocking state
[  749.196794] br0: port 1(c1) entered disabled state
[  749.196855] c1: entered allmulticast mode
[  749.196951] c1: entered promiscuous mode
[  749.256230] br0: port 2(c2) entered blocking state
[  749.256296] br0: port 2(c2) entered disabled state
[  749.256362] c2: entered allmulticast mode
[  749.256457] c2: entered promiscuous mode
[  749.314217] br0: port 3(c3) entered blocking state
[  749.314286] br0: port 3(c3) entered disabled state
[  749.314358] c3: entered allmulticast mode
[  749.314454] c3: entered promiscuous mode
[  749.370315] br0: port 4(sender) entered blocking state
[  749.370385] br0: port 4(sender) entered disabled state
[  749.370470] sender: entered allmulticast mode
[  749.370556] sender: entered promiscuous mode
[  749.393056] br0: port 4(sender) entered blocking state
[  749.393140] br0: port 4(sender) entered forwarding state
[  749.393191] br0: port 3(c3) entered blocking state
[  749.393234] br0: port 3(c3) entered forwarding state
[  749.393274] br0: port 2(c2) entered blocking state
[  749.393314] br0: port 2(c2) entered forwarding state
[  749.393364] br0: port 1(c1) entered blocking state
[  749.393403] br0: port 1(c1) entered forwarding state
[  760.157594] br0: port 1(c1) entered disabled state
[  760.157936] c1 (unregistering): left allmulticast mode
[  760.158017] c1 (unregistering): left promiscuous mode
[  760.158073] br0: port 1(c1) entered disabled state
[  760.210716] br0: port 2(c2) entered disabled state
[  760.211098] c2 (unregistering): left allmulticast mode
[  760.211188] c2 (unregistering): left promiscuous mode
[  760.211266] br0: port 2(c2) entered disabled state
[  760.253636] br0: port 3(c3) entered disabled state
[  760.253998] c3 (unregistering): left allmulticast mode
[  760.254108] c3 (unregistering): left promiscuous mode
[  760.254188] br0: port 3(c3) entered disabled state
[  760.303751] br0: port 4(sender) entered disabled state
[  760.304089] sender (unregistering): left allmulticast mode
[  760.304165] sender (unregistering): left promiscuous mode
[  760.304227] br0: port 4(sender) entered disabled state