[  550.185208] br0: port 1(c1) entered blocking state
[  550.185277] br0: port 1(c1) entered disabled state
[  550.185347] c1: entered allmulticast mode
[  550.185424] c1: entered promiscuous mode
[  550.263925] br0: port 2(c2) entered blocking state
[  550.263991] br0: port 2(c2) entered disabled state
[  550.264052] c2: entered allmulticast mode
[  550.264113] c2: entered promiscuous mode
[  550.343707] br0: port 3(c3) entered blocking state
[  550.343773] br0: port 3(c3) entered disabled state
[  550.343831] c3: entered allmulticast mode
[  550.343895] c3: entered promiscuous mode
[  550.420157] br0: port 4(sender) entered blocking state
[  550.420242] br0: port 4(sender) entered disabled state
[  550.420313] sender: entered allmulticast mode
[  550.420411] sender: entered promiscuous mode
[  550.450720] br0: port 4(sender) entered blocking state
[  550.450791] br0: port 4(sender) entered forwarding state
[  550.450852] br0: port 3(c3) entered blocking state
[  550.450905] br0: port 3(c3) entered forwarding state
[  550.450949] br0: port 2(c2) entered blocking state
[  550.451000] br0: port 2(c2) entered forwarding state
[  550.451061] br0: port 1(c1) entered blocking state
[  550.451113] br0: port 1(c1) entered forwarding state
[  561.249953] br0: port 1(c1) entered disabled state
[  561.250322] c1 (unregistering): left allmulticast mode
[  561.250382] c1 (unregistering): left promiscuous mode
[  561.250436] br0: port 1(c1) entered disabled state
[  561.307888] br0: port 2(c2) entered disabled state
[  561.308189] c2 (unregistering): left allmulticast mode
[  561.308258] c2 (unregistering): left promiscuous mode
[  561.308320] br0: port 2(c2) entered disabled state
[  561.362772] br0: port 3(c3) entered disabled state
[  561.363056] c3 (unregistering): left allmulticast mode
[  561.363111] c3 (unregistering): left promiscuous mode
[  561.363158] br0: port 3(c3) entered disabled state
[  561.423790] br0: port 4(sender) entered disabled state
[  561.424039] sender (unregistering): left allmulticast mode
[  561.424092] sender (unregistering): left promiscuous mode
[  561.424133] br0: port 4(sender) entered disabled state