[ 1782.105079] br0: port 1(dummy0) entered blocking state
[ 1782.105118] br0: port 1(dummy0) entered disabled state
[ 1782.105156] dummy0: entered allmulticast mode
[ 1782.105217] dummy0: entered promiscuous mode
[ 1782.108864] br0: port 1(dummy0) entered blocking state
[ 1782.108927] br0: port 1(dummy0) entered forwarding state
[ 1782.391434] dummy0: left allmulticast mode
[ 1782.391513] dummy0: left promiscuous mode
[ 1782.391577] br0: port 1(dummy0) entered disabled state