[ 2008.326475] br0: port 1(dummy0) entered blocking state
[ 2008.326524] br0: port 1(dummy0) entered disabled state
[ 2008.326560] dummy0: entered allmulticast mode
[ 2008.326607] dummy0: entered promiscuous mode
[ 2008.330123] br0: port 1(dummy0) entered blocking state
[ 2008.330192] br0: port 1(dummy0) entered forwarding state
[ 2008.592055] dummy0: left allmulticast mode
[ 2008.592090] dummy0: left promiscuous mode
[ 2008.592145] br0: port 1(dummy0) entered disabled state