[  451.752734] br0: port 1(c1) entered blocking state
[  451.752803] br0: port 1(c1) entered disabled state
[  451.752884] c1: entered allmulticast mode
[  451.752953] c1: entered promiscuous mode
[  451.803498] br0: port 2(c2) entered blocking state
[  451.803563] br0: port 2(c2) entered disabled state
[  451.803622] c2: entered allmulticast mode
[  451.803700] c2: entered promiscuous mode
[  451.853230] br0: port 3(c3) entered blocking state
[  451.853293] br0: port 3(c3) entered disabled state
[  451.853346] c3: entered allmulticast mode
[  451.853409] c3: entered promiscuous mode
[  451.901775] br0: port 4(sender) entered blocking state
[  451.901848] br0: port 4(sender) entered disabled state
[  451.901913] sender: entered allmulticast mode
[  451.902019] sender: entered promiscuous mode
[  451.921272] br0: port 4(sender) entered blocking state
[  451.921337] br0: port 4(sender) entered forwarding state
[  451.921388] br0: port 3(c3) entered blocking state
[  451.921430] br0: port 3(c3) entered forwarding state
[  451.921472] br0: port 2(c2) entered blocking state
[  451.921512] br0: port 2(c2) entered forwarding state
[  451.921554] br0: port 1(c1) entered blocking state
[  451.921594] br0: port 1(c1) entered forwarding state
[  462.622493] br0: port 1(c1) entered disabled state
[  462.622734] c1 (unregistering): left allmulticast mode
[  462.622794] c1 (unregistering): left promiscuous mode
[  462.622844] br0: port 1(c1) entered disabled state
[  462.671446] br0: port 2(c2) entered disabled state
[  462.671785] c2 (unregistering): left allmulticast mode
[  462.671842] c2 (unregistering): left promiscuous mode
[  462.671904] br0: port 2(c2) entered disabled state
[  462.706429] br0: port 3(c3) entered disabled state
[  462.706738] c3 (unregistering): left allmulticast mode
[  462.706818] c3 (unregistering): left promiscuous mode
[  462.706858] br0: port 3(c3) entered disabled state
[  462.745522] br0: port 4(sender) entered disabled state
[  462.745870] sender (unregistering): left allmulticast mode
[  462.745948] sender (unregistering): left promiscuous mode
[  462.745988] br0: port 4(sender) entered disabled state