[   10.258833] br0: port 1(c1) entered blocking state
[   10.258892] br0: port 1(c1) entered disabled state
[   10.258926] c1: entered allmulticast mode
[   10.258976] c1: entered promiscuous mode
[   10.273101] br0: port 2(c2) entered blocking state
[   10.273171] br0: port 2(c2) entered disabled state
[   10.273245] c2: entered allmulticast mode
[   10.273327] c2: entered promiscuous mode
[   10.287772] br0: port 3(c3) entered blocking state
[   10.287805] br0: port 3(c3) entered disabled state
[   10.287847] c3: entered allmulticast mode
[   10.287890] c3: entered promiscuous mode
[   10.302539] br0: port 4(sender) entered blocking state
[   10.302580] br0: port 4(sender) entered disabled state
[   10.302616] sender: entered allmulticast mode
[   10.302665] sender: entered promiscuous mode
[   10.308327] br0: port 4(sender) entered blocking state
[   10.308394] br0: port 4(sender) entered forwarding state
[   10.308462] br0: port 3(c3) entered blocking state
[   10.308533] br0: port 3(c3) entered forwarding state
[   10.308599] br0: port 2(c2) entered blocking state
[   10.308664] br0: port 2(c2) entered forwarding state
[   10.308731] br0: port 1(c1) entered blocking state
[   10.308794] br0: port 1(c1) entered forwarding state
[   21.007183] br0: port 1(c1) entered disabled state
[   21.007431] c1 (unregistering): left allmulticast mode
[   21.007527] c1 (unregistering): left promiscuous mode
[   21.007570] br0: port 1(c1) entered disabled state
[   21.047181] br0: port 3(c3) entered disabled state
[   21.047330] br0: port 2(c2) entered disabled state
[   21.047509] c3 (unregistering): left allmulticast mode
[   21.047547] c3 (unregistering): left promiscuous mode
[   21.047586] br0: port 3(c3) entered disabled state
[   21.047850] c2 (unregistering): left allmulticast mode
[   21.047889] c2 (unregistering): left promiscuous mode
[   21.047922] br0: port 2(c2) entered disabled state
[   21.082214] sender: left allmulticast mode
[   21.082273] sender: left promiscuous mode
[   21.082309] br0: port 4(sender) entered disabled state