[ 2008.984539][T12802] br0: port 1(dummy0) entered blocking state
[ 2008.984781][T12802] br0: port 1(dummy0) entered disabled state
[ 2008.984991][T12802] dummy0: entered allmulticast mode
[ 2008.986387][T12802] dummy0: entered promiscuous mode
[ 2009.014137][T12803] br0: port 1(dummy0) entered blocking state
[ 2009.014406][T12803] br0: port 1(dummy0) entered forwarding state
[ 2010.995296][   T12] dummy0: left allmulticast mode
[ 2010.996111][   T12] dummy0: left promiscuous mode
[ 2010.996399][   T12] br0: port 1(dummy0) entered disabled state