[  750.367024] br0: port 1(c1) entered blocking state
[  750.367100] br0: port 1(c1) entered disabled state
[  750.367169] c1: entered allmulticast mode
[  750.367271] c1: entered promiscuous mode
[  750.427111] br0: port 2(c2) entered blocking state
[  750.427170] br0: port 2(c2) entered disabled state
[  750.427224] c2: entered allmulticast mode
[  750.427289] c2: entered promiscuous mode
[  750.489613] br0: port 3(c3) entered blocking state
[  750.489686] br0: port 3(c3) entered disabled state
[  750.489753] c3: entered allmulticast mode
[  750.489830] c3: entered promiscuous mode
[  750.554051] br0: port 4(sender) entered blocking state
[  750.554113] br0: port 4(sender) entered disabled state
[  750.554182] sender: entered allmulticast mode
[  750.554281] sender: entered promiscuous mode
[  750.577185] br0: port 4(sender) entered blocking state
[  750.577267] br0: port 4(sender) entered forwarding state
[  750.577323] br0: port 3(c3) entered blocking state
[  750.577372] br0: port 3(c3) entered forwarding state
[  750.577418] br0: port 2(c2) entered blocking state
[  750.577472] br0: port 2(c2) entered forwarding state
[  750.577518] br0: port 1(c1) entered blocking state
[  750.577571] br0: port 1(c1) entered forwarding state
[  761.348889] br0: port 1(c1) entered disabled state
[  761.349326] c1 (unregistering): left allmulticast mode
[  761.349377] c1 (unregistering): left promiscuous mode
[  761.349418] br0: port 1(c1) entered disabled state
[  761.394856] br0: port 2(c2) entered disabled state
[  761.395178] c2 (unregistering): left allmulticast mode
[  761.395243] c2 (unregistering): left promiscuous mode
[  761.395289] br0: port 2(c2) entered disabled state
[  761.439897] br0: port 3(c3) entered disabled state
[  761.440249] c3 (unregistering): left allmulticast mode
[  761.440330] c3 (unregistering): left promiscuous mode
[  761.440387] br0: port 3(c3) entered disabled state
[  761.489871] br0: port 4(sender) entered disabled state
[  761.490241] sender (unregistering): left allmulticast mode
[  761.490311] sender (unregistering): left promiscuous mode
[  761.490372] br0: port 4(sender) entered disabled state