[ 1865.677077] br0: port 1(dummy0) entered blocking state
[ 1865.677146] br0: port 1(dummy0) entered disabled state
[ 1865.677217] dummy0: entered allmulticast mode
[ 1865.677300] dummy0: entered promiscuous mode
[ 1865.680930] br0: port 1(dummy0) entered blocking state
[ 1865.680963] br0: port 1(dummy0) entered forwarding state
[ 1865.947476] dummy0: left allmulticast mode
[ 1865.947509] dummy0: left promiscuous mode
[ 1865.947543] br0: port 1(dummy0) entered disabled state