[ 1590.122923] br0: port 1(dummy0) entered blocking state
[ 1590.122997] br0: port 1(dummy0) entered disabled state
[ 1590.123052] dummy0: entered allmulticast mode
[ 1590.123130] dummy0: entered promiscuous mode
[ 1590.125802] br0: port 1(dummy0) entered blocking state
[ 1590.125828] br0: port 1(dummy0) entered forwarding state
[ 1590.299221] dummy0: left allmulticast mode
[ 1590.299262] dummy0: left promiscuous mode
[ 1590.299286] br0: port 1(dummy0) entered disabled state