[   12.223336] br0: port 1(c1) entered blocking state
[   12.223394] br0: port 1(c1) entered disabled state
[   12.223430] c1: entered allmulticast mode
[   12.223474] c1: entered promiscuous mode
[   12.235845] br0: port 2(c2) entered blocking state
[   12.235919] br0: port 2(c2) entered disabled state
[   12.235991] c2: entered allmulticast mode
[   12.236070] c2: entered promiscuous mode
[   12.248556] br0: port 3(c3) entered blocking state
[   12.248603] br0: port 3(c3) entered disabled state
[   12.248638] c3: entered allmulticast mode
[   12.248683] c3: entered promiscuous mode
[   12.261510] br0: port 4(sender) entered blocking state
[   12.261579] br0: port 4(sender) entered disabled state
[   12.261622] sender: entered allmulticast mode
[   12.261675] sender: entered promiscuous mode
[   12.266821] br0: port 4(sender) entered blocking state
[   12.266898] br0: port 4(sender) entered forwarding state
[   12.266931] br0: port 3(c3) entered blocking state
[   12.266985] br0: port 3(c3) entered forwarding state
[   12.267043] br0: port 2(c2) entered blocking state
[   12.267077] br0: port 2(c2) entered forwarding state
[   12.267122] br0: port 1(c1) entered blocking state
[   12.267163] br0: port 1(c1) entered forwarding state
[   22.983897] br0: port 1(c1) entered disabled state
[   22.984205] c1 (unregistering): left allmulticast mode
[   22.984239] c1 (unregistering): left promiscuous mode
[   22.984272] br0: port 1(c1) entered disabled state
[   22.998857] br0: port 2(c2) entered disabled state
[   22.999029] c2 (unregistering): left allmulticast mode
[   22.999065] c2 (unregistering): left promiscuous mode
[   22.999097] br0: port 2(c2) entered disabled state
[   23.023861] br0: port 4(sender) entered disabled state
[   23.023931] br0: port 3(c3) entered disabled state
[   23.024060] sender (unregistering): left allmulticast mode
[   23.024096] sender (unregistering): left promiscuous mode
[   23.024124] br0: port 4(sender) entered disabled state
[   23.024365] c3 (unregistering): left allmulticast mode
[   23.024396] c3 (unregistering): left promiscuous mode
[   23.024423] br0: port 3(c3) entered disabled state