[ 1806.787012] br0: port 1(dummy0) entered blocking state
[ 1806.787079] br0: port 1(dummy0) entered disabled state
[ 1806.787149] dummy0: entered allmulticast mode
[ 1806.787245] dummy0: entered promiscuous mode
[ 1806.790875] br0: port 1(dummy0) entered blocking state
[ 1806.790906] br0: port 1(dummy0) entered forwarding state
[ 1807.064753] dummy0: left allmulticast mode
[ 1807.064781] dummy0: left promiscuous mode
[ 1807.064813] br0: port 1(dummy0) entered disabled state