[ 1859.073360] br0: port 1(dummy0) entered blocking state
[ 1859.073437] br0: port 1(dummy0) entered disabled state
[ 1859.073502] dummy0: entered allmulticast mode
[ 1859.073595] dummy0: entered promiscuous mode
[ 1859.077095] br0: port 1(dummy0) entered blocking state
[ 1859.077130] br0: port 1(dummy0) entered forwarding state
[ 1859.336837] dummy0: left allmulticast mode
[ 1859.336879] dummy0: left promiscuous mode
[ 1859.336964] br0: port 1(dummy0) entered disabled state