[  749.572167] br0: port 1(c1) entered blocking state
[  749.572255] br0: port 1(c1) entered disabled state
[  749.572323] c1: entered allmulticast mode
[  749.572405] c1: entered promiscuous mode
[  749.624400] br0: port 2(c2) entered blocking state
[  749.624508] br0: port 2(c2) entered disabled state
[  749.624592] c2: entered allmulticast mode
[  749.624685] c2: entered promiscuous mode
[  749.680905] br0: port 3(c3) entered blocking state
[  749.680991] br0: port 3(c3) entered disabled state
[  749.681057] c3: entered allmulticast mode
[  749.681151] c3: entered promiscuous mode
[  749.737570] br0: port 4(sender) entered blocking state
[  749.737703] br0: port 4(sender) entered disabled state
[  749.737801] sender: entered allmulticast mode
[  749.737936] sender: entered promiscuous mode
[  749.759202] br0: port 4(sender) entered blocking state
[  749.759322] br0: port 4(sender) entered forwarding state
[  749.759394] br0: port 3(c3) entered blocking state
[  749.759470] br0: port 3(c3) entered forwarding state
[  749.759543] br0: port 2(c2) entered blocking state
[  749.759614] br0: port 2(c2) entered forwarding state
[  749.759679] br0: port 1(c1) entered blocking state
[  749.759740] br0: port 1(c1) entered forwarding state
[  760.507465] br0: port 1(c1) entered disabled state
[  760.507856] c1 (unregistering): left allmulticast mode
[  760.507913] c1 (unregistering): left promiscuous mode
[  760.507954] br0: port 1(c1) entered disabled state
[  760.551596] br0: port 2(c2) entered disabled state
[  760.551910] c2 (unregistering): left allmulticast mode
[  760.551966] c2 (unregistering): left promiscuous mode
[  760.552006] br0: port 2(c2) entered disabled state
[  760.592436] br0: port 3(c3) entered disabled state
[  760.592727] c3 (unregistering): left allmulticast mode
[  760.592773] c3 (unregistering): left promiscuous mode
[  760.592815] br0: port 3(c3) entered disabled state
[  760.629465] br0: port 4(sender) entered disabled state
[  760.629731] sender (unregistering): left allmulticast mode
[  760.629779] sender (unregistering): left promiscuous mode
[  760.629820] br0: port 4(sender) entered disabled state