[  550.990678] br0: port 1(c1) entered blocking state
[  550.990758] br0: port 1(c1) entered disabled state
[  550.990818] c1: entered allmulticast mode
[  550.990885] c1: entered promiscuous mode
[  551.067208] br0: port 2(c2) entered blocking state
[  551.067267] br0: port 2(c2) entered disabled state
[  551.067323] c2: entered allmulticast mode
[  551.067383] c2: entered promiscuous mode
[  551.148817] br0: port 3(c3) entered blocking state
[  551.148880] br0: port 3(c3) entered disabled state
[  551.148940] c3: entered allmulticast mode
[  551.149004] c3: entered promiscuous mode
[  551.231448] br0: port 4(sender) entered blocking state
[  551.231512] br0: port 4(sender) entered disabled state
[  551.231562] sender: entered allmulticast mode
[  551.231642] sender: entered promiscuous mode
[  551.262479] br0: port 4(sender) entered blocking state
[  551.262542] br0: port 4(sender) entered forwarding state
[  551.262582] br0: port 3(c3) entered blocking state
[  551.262622] br0: port 3(c3) entered forwarding state
[  551.262659] br0: port 2(c2) entered blocking state
[  551.262692] br0: port 2(c2) entered forwarding state
[  551.262727] br0: port 1(c1) entered blocking state
[  551.262761] br0: port 1(c1) entered forwarding state
[  562.076863] br0: port 1(c1) entered disabled state
[  562.077214] c1 (unregistering): left allmulticast mode
[  562.077267] c1 (unregistering): left promiscuous mode
[  562.077313] br0: port 1(c1) entered disabled state
[  562.138861] br0: port 2(c2) entered disabled state
[  562.139179] c2 (unregistering): left allmulticast mode
[  562.139230] c2 (unregistering): left promiscuous mode
[  562.139271] br0: port 2(c2) entered disabled state
[  562.189902] br0: port 3(c3) entered disabled state
[  562.190186] c3 (unregistering): left allmulticast mode
[  562.190236] c3 (unregistering): left promiscuous mode
[  562.190284] br0: port 3(c3) entered disabled state
[  562.245891] br0: port 4(sender) entered disabled state
[  562.246165] sender (unregistering): left allmulticast mode
[  562.246215] sender (unregistering): left promiscuous mode
[  562.246256] br0: port 4(sender) entered disabled state