[ 1832.650170] br0: port 1(dummy0) entered blocking state
[ 1832.650223] br0: port 1(dummy0) entered disabled state
[ 1832.650257] dummy0: entered allmulticast mode
[ 1832.650309] dummy0: entered promiscuous mode
[ 1832.654098] br0: port 1(dummy0) entered blocking state
[ 1832.654139] br0: port 1(dummy0) entered forwarding state
[ 1832.913854] dummy0: left allmulticast mode
[ 1832.913893] dummy0: left promiscuous mode
[ 1832.913954] br0: port 1(dummy0) entered disabled state