[ 1806.831031] br0: port 1(dummy0) entered blocking state
[ 1806.831061] br0: port 1(dummy0) entered disabled state
[ 1806.831092] dummy0: entered allmulticast mode
[ 1806.831147] dummy0: entered promiscuous mode
[ 1806.834783] br0: port 1(dummy0) entered blocking state
[ 1806.834840] br0: port 1(dummy0) entered forwarding state
[ 1807.105081] dummy0: left allmulticast mode
[ 1807.105113] dummy0: left promiscuous mode
[ 1807.105158] br0: port 1(dummy0) entered disabled state