[ 1619.507039] br0: port 1(dummy0) entered blocking state
[ 1619.507083] br0: port 1(dummy0) entered disabled state
[ 1619.507129] dummy0: entered allmulticast mode
[ 1619.507184] dummy0: entered promiscuous mode
[ 1619.510554] br0: port 1(dummy0) entered blocking state
[ 1619.510587] br0: port 1(dummy0) entered forwarding state
[ 1619.709154] dummy0: left allmulticast mode
[ 1619.709198] dummy0: left promiscuous mode
[ 1619.709225] br0: port 1(dummy0) entered disabled state