[  555.432322] br0: port 1(c1) entered blocking state
[  555.432406] br0: port 1(c1) entered disabled state
[  555.432470] c1: entered allmulticast mode
[  555.432543] c1: entered promiscuous mode
[  555.528102] br0: port 2(c2) entered blocking state
[  555.528177] br0: port 2(c2) entered disabled state
[  555.528240] c2: entered allmulticast mode
[  555.528324] c2: entered promiscuous mode
[  555.623376] br0: port 3(c3) entered blocking state
[  555.623464] br0: port 3(c3) entered disabled state
[  555.623538] c3: entered allmulticast mode
[  555.623615] c3: entered promiscuous mode
[  555.717090] br0: port 4(sender) entered blocking state
[  555.717155] br0: port 4(sender) entered disabled state
[  555.717210] sender: entered allmulticast mode
[  555.717294] sender: entered promiscuous mode
[  555.752080] br0: port 4(sender) entered blocking state
[  555.752142] br0: port 4(sender) entered forwarding state
[  555.752189] br0: port 3(c3) entered blocking state
[  555.752229] br0: port 3(c3) entered forwarding state
[  555.752271] br0: port 2(c2) entered blocking state
[  555.752320] br0: port 2(c2) entered forwarding state
[  555.752362] br0: port 1(c1) entered blocking state
[  555.752402] br0: port 1(c1) entered forwarding state
[  566.555911] br0: port 1(c1) entered disabled state
[  566.556226] c1 (unregistering): left allmulticast mode
[  566.556289] c1 (unregistering): left promiscuous mode
[  566.556345] br0: port 1(c1) entered disabled state
[  566.622934] br0: port 2(c2) entered disabled state
[  566.623332] c2 (unregistering): left allmulticast mode
[  566.623368] c2 (unregistering): left promiscuous mode
[  566.623398] br0: port 2(c2) entered disabled state
[  566.674976] br0: port 3(c3) entered disabled state
[  566.675274] c3 (unregistering): left allmulticast mode
[  566.675318] c3 (unregistering): left promiscuous mode
[  566.675365] br0: port 3(c3) entered disabled state
[  566.737894] br0: port 4(sender) entered disabled state
[  566.738186] sender (unregistering): left allmulticast mode
[  566.738228] sender (unregistering): left promiscuous mode
[  566.738266] br0: port 4(sender) entered disabled state