[   12.165992] br0: port 1(c1) entered blocking state
[   12.166123] br0: port 1(c1) entered disabled state
[   12.166199] c1: entered allmulticast mode
[   12.166277] c1: entered promiscuous mode
[   12.178515] br0: port 2(c2) entered blocking state
[   12.178629] br0: port 2(c2) entered disabled state
[   12.178701] c2: entered allmulticast mode
[   12.178799] c2: entered promiscuous mode
[   12.191377] br0: port 3(c3) entered blocking state
[   12.191452] br0: port 3(c3) entered disabled state
[   12.191518] c3: entered allmulticast mode
[   12.191573] c3: entered promiscuous mode
[   12.203970] br0: port 4(sender) entered blocking state
[   12.204041] br0: port 4(sender) entered disabled state
[   12.204109] sender: entered allmulticast mode
[   12.204192] sender: entered promiscuous mode
[   12.209106] br0: port 4(sender) entered blocking state
[   12.209149] br0: port 4(sender) entered forwarding state
[   12.209183] br0: port 3(c3) entered blocking state
[   12.209210] br0: port 3(c3) entered forwarding state
[   12.209242] br0: port 2(c2) entered blocking state
[   12.209267] br0: port 2(c2) entered forwarding state
[   12.209297] br0: port 1(c1) entered blocking state
[   12.209325] br0: port 1(c1) entered forwarding state
[   22.909020] br0: port 1(c1) entered disabled state
[   22.909260] c1 (unregistering): left allmulticast mode
[   22.909350] c1 (unregistering): left promiscuous mode
[   22.909441] br0: port 1(c1) entered disabled state
[   22.925997] br0: port 2(c2) entered disabled state
[   22.926145] c2 (unregistering): left allmulticast mode
[   22.926186] c2 (unregistering): left promiscuous mode
[   22.926218] br0: port 2(c2) entered disabled state
[   22.951000] br0: port 4(sender) entered disabled state
[   22.951134] br0: port 3(c3) entered disabled state
[   22.951291] sender (unregistering): left allmulticast mode
[   22.951328] sender (unregistering): left promiscuous mode
[   22.951359] br0: port 4(sender) entered disabled state
[   22.951532] c3 (unregistering): left allmulticast mode
[   22.951568] c3 (unregistering): left promiscuous mode
[   22.951599] br0: port 3(c3) entered disabled state