[ 1806.527343] br0: port 1(dummy0) entered blocking state
[ 1806.527389] br0: port 1(dummy0) entered disabled state
[ 1806.527428] dummy0: entered allmulticast mode
[ 1806.527481] dummy0: entered promiscuous mode
[ 1806.531078] br0: port 1(dummy0) entered blocking state
[ 1806.531139] br0: port 1(dummy0) entered forwarding state
[ 1806.780456] dummy0: left allmulticast mode
[ 1806.780493] dummy0: left promiscuous mode
[ 1806.780524] br0: port 1(dummy0) entered disabled state