[  452.203122] br0: port 1(c1) entered blocking state
[  452.203190] br0: port 1(c1) entered disabled state
[  452.203248] c1: entered allmulticast mode
[  452.203333] c1: entered promiscuous mode
[  452.250327] br0: port 2(c2) entered blocking state
[  452.250411] br0: port 2(c2) entered disabled state
[  452.250476] c2: entered allmulticast mode
[  452.250588] c2: entered promiscuous mode
[  452.296704] br0: port 3(c3) entered blocking state
[  452.296772] br0: port 3(c3) entered disabled state
[  452.296846] c3: entered allmulticast mode
[  452.296935] c3: entered promiscuous mode
[  452.344871] br0: port 4(sender) entered blocking state
[  452.344964] br0: port 4(sender) entered disabled state
[  452.345044] sender: entered allmulticast mode
[  452.345130] sender: entered promiscuous mode
[  452.364267] br0: port 4(sender) entered blocking state
[  452.364352] br0: port 4(sender) entered forwarding state
[  452.364412] br0: port 3(c3) entered blocking state
[  452.364466] br0: port 3(c3) entered forwarding state
[  452.364520] br0: port 2(c2) entered blocking state
[  452.364564] br0: port 2(c2) entered forwarding state
[  452.364614] br0: port 1(c1) entered blocking state
[  452.364665] br0: port 1(c1) entered forwarding state
[  463.066369] br0: port 1(c1) entered disabled state
[  463.066639] c1 (unregistering): left allmulticast mode
[  463.066681] c1 (unregistering): left promiscuous mode
[  463.066718] br0: port 1(c1) entered disabled state
[  463.117367] br0: port 2(c2) entered disabled state
[  463.117690] c2 (unregistering): left allmulticast mode
[  463.117747] c2 (unregistering): left promiscuous mode
[  463.117796] br0: port 2(c2) entered disabled state
[  463.150407] br0: port 3(c3) entered disabled state
[  463.150691] c3 (unregistering): left allmulticast mode
[  463.150750] c3 (unregistering): left promiscuous mode
[  463.150798] br0: port 3(c3) entered disabled state
[  463.193380] br0: port 4(sender) entered disabled state
[  463.193653] sender (unregistering): left allmulticast mode
[  463.193718] sender (unregistering): left promiscuous mode
[  463.193756] br0: port 4(sender) entered disabled state