[  550.654746] br0: port 1(c1) entered blocking state
[  550.654812] br0: port 1(c1) entered disabled state
[  550.654863] c1: entered allmulticast mode
[  550.654931] c1: entered promiscuous mode
[  550.732998] br0: port 2(c2) entered blocking state
[  550.733053] br0: port 2(c2) entered disabled state
[  550.733105] c2: entered allmulticast mode
[  550.733178] c2: entered promiscuous mode
[  550.806401] br0: port 3(c3) entered blocking state
[  550.806463] br0: port 3(c3) entered disabled state
[  550.806513] c3: entered allmulticast mode
[  550.806575] c3: entered promiscuous mode
[  550.879260] br0: port 4(sender) entered blocking state
[  550.879322] br0: port 4(sender) entered disabled state
[  550.879377] sender: entered allmulticast mode
[  550.879454] sender: entered promiscuous mode
[  550.910032] br0: port 4(sender) entered blocking state
[  550.910091] br0: port 4(sender) entered forwarding state
[  550.910134] br0: port 3(c3) entered blocking state
[  550.910170] br0: port 3(c3) entered forwarding state
[  550.910209] br0: port 2(c2) entered blocking state
[  550.910244] br0: port 2(c2) entered forwarding state
[  550.910282] br0: port 1(c1) entered blocking state
[  550.910318] br0: port 1(c1) entered forwarding state
[  562.123839] br0: port 1(c1) entered disabled state
[  562.124137] c1 (unregistering): left allmulticast mode
[  562.124196] c1 (unregistering): left promiscuous mode
[  562.124257] br0: port 1(c1) entered disabled state
[  562.192844] br0: port 2(c2) entered disabled state
[  562.193173] c2 (unregistering): left allmulticast mode
[  562.193227] c2 (unregistering): left promiscuous mode
[  562.193272] br0: port 2(c2) entered disabled state
[  562.266866] br0: port 3(c3) entered disabled state
[  562.267225] c3 (unregistering): left allmulticast mode
[  562.267298] c3 (unregistering): left promiscuous mode
[  562.267346] br0: port 3(c3) entered disabled state
[  562.343909] br0: port 4(sender) entered disabled state
[  562.344304] sender (unregistering): left allmulticast mode
[  562.344371] sender (unregistering): left promiscuous mode
[  562.344431] br0: port 4(sender) entered disabled state