[  451.511867] br0: port 1(c1) entered blocking state
[  451.511926] br0: port 1(c1) entered disabled state
[  451.511981] c1: entered allmulticast mode
[  451.512047] c1: entered promiscuous mode
[  451.560842] br0: port 2(c2) entered blocking state
[  451.560900] br0: port 2(c2) entered disabled state
[  451.560953] c2: entered allmulticast mode
[  451.561017] c2: entered promiscuous mode
[  451.608801] br0: port 3(c3) entered blocking state
[  451.608857] br0: port 3(c3) entered disabled state
[  451.608910] c3: entered allmulticast mode
[  451.608972] c3: entered promiscuous mode
[  451.654883] br0: port 4(sender) entered blocking state
[  451.654960] br0: port 4(sender) entered disabled state
[  451.655013] sender: entered allmulticast mode
[  451.655088] sender: entered promiscuous mode
[  451.673588] br0: port 4(sender) entered blocking state
[  451.673644] br0: port 4(sender) entered forwarding state
[  451.673688] br0: port 3(c3) entered blocking state
[  451.673729] br0: port 3(c3) entered forwarding state
[  451.673773] br0: port 2(c2) entered blocking state
[  451.673809] br0: port 2(c2) entered forwarding state
[  451.673845] br0: port 1(c1) entered blocking state
[  451.673883] br0: port 1(c1) entered forwarding state
[  462.380491] br0: port 1(c1) entered disabled state
[  462.380979] c1 (unregistering): left allmulticast mode
[  462.381057] c1 (unregistering): left promiscuous mode
[  462.381100] br0: port 1(c1) entered disabled state
[  462.416300] br0: port 2(c2) entered disabled state
[  462.416635] c2 (unregistering): left allmulticast mode
[  462.416699] c2 (unregistering): left promiscuous mode
[  462.416738] br0: port 2(c2) entered disabled state
[  462.446305] br0: port 3(c3) entered disabled state
[  462.446630] c3 (unregistering): left allmulticast mode
[  462.446721] c3 (unregistering): left promiscuous mode
[  462.446777] br0: port 3(c3) entered disabled state
[  462.483330] br0: port 4(sender) entered disabled state
[  462.483704] sender (unregistering): left allmulticast mode
[  462.483783] sender (unregistering): left promiscuous mode
[  462.483823] br0: port 4(sender) entered disabled state