[ 1864.718926] br0: port 1(dummy0) entered blocking state
[ 1864.718969] br0: port 1(dummy0) entered disabled state
[ 1864.719005] dummy0: entered allmulticast mode
[ 1864.719057] dummy0: entered promiscuous mode
[ 1864.722567] br0: port 1(dummy0) entered blocking state
[ 1864.722629] br0: port 1(dummy0) entered forwarding state
[ 1864.985348] dummy0: left allmulticast mode
[ 1864.985381] dummy0: left promiscuous mode
[ 1864.985413] br0: port 1(dummy0) entered disabled state