[ 1860.859589] br0: port 1(dummy0) entered blocking state
[ 1860.859635] br0: port 1(dummy0) entered disabled state
[ 1860.859678] dummy0: entered allmulticast mode
[ 1860.859740] dummy0: entered promiscuous mode
[ 1860.863183] br0: port 1(dummy0) entered blocking state
[ 1860.863216] br0: port 1(dummy0) entered forwarding state
[ 1861.114847] dummy0: left allmulticast mode
[ 1861.114884] dummy0: left promiscuous mode
[ 1861.114913] br0: port 1(dummy0) entered disabled state