[   28.750098] br0: port 1(c1) entered blocking state
[   28.750206] br0: port 1(c1) entered disabled state
[   28.750288] c1: entered allmulticast mode
[   28.750390] c1: entered promiscuous mode
[   28.797743] br0: port 2(c2) entered blocking state
[   28.797796] br0: port 2(c2) entered disabled state
[   28.797843] c2: entered allmulticast mode
[   28.797901] c2: entered promiscuous mode
[   28.842036] br0: port 3(c3) entered blocking state
[   28.842126] br0: port 3(c3) entered disabled state
[   28.842188] c3: entered allmulticast mode
[   28.842280] c3: entered promiscuous mode
[   28.885303] br0: port 4(sender) entered blocking state
[   28.885394] br0: port 4(sender) entered disabled state
[   28.885457] sender: entered allmulticast mode
[   28.885557] sender: entered promiscuous mode
[   28.902542] br0: port 4(sender) entered blocking state
[   28.902646] br0: port 4(sender) entered forwarding state
[   28.902706] br0: port 3(c3) entered blocking state
[   28.902757] br0: port 3(c3) entered forwarding state
[   28.902810] br0: port 2(c2) entered blocking state
[   28.902861] br0: port 2(c2) entered forwarding state
[   28.902915] br0: port 1(c1) entered blocking state
[   28.902967] br0: port 1(c1) entered forwarding state
[   39.691274] br0: port 1(c1) entered disabled state
[   39.691612] c1 (unregistering): left allmulticast mode
[   39.691669] c1 (unregistering): left promiscuous mode
[   39.691711] br0: port 1(c1) entered disabled state
[   39.728185] br0: port 2(c2) entered disabled state
[   39.728565] c2 (unregistering): left allmulticast mode
[   39.728657] c2 (unregistering): left promiscuous mode
[   39.728715] br0: port 2(c2) entered disabled state
[   39.765159] br0: port 3(c3) entered disabled state
[   39.765404] c3 (unregistering): left allmulticast mode
[   39.765467] c3 (unregistering): left promiscuous mode
[   39.765510] br0: port 3(c3) entered disabled state
[   39.804161] br0: port 4(sender) entered disabled state
[   39.804406] sender (unregistering): left allmulticast mode
[   39.804492] sender (unregistering): left promiscuous mode
[   39.804546] br0: port 4(sender) entered disabled state