[ 1662.395091] br0: port 1(dummy0) entered blocking state
[ 1662.395139] br0: port 1(dummy0) entered disabled state
[ 1662.395175] dummy0: entered allmulticast mode
[ 1662.395231] dummy0: entered promiscuous mode
[ 1662.397646] br0: port 1(dummy0) entered blocking state
[ 1662.397688] br0: port 1(dummy0) entered forwarding state
[ 1662.581504] dummy0: left allmulticast mode
[ 1662.581544] dummy0: left promiscuous mode
[ 1662.581607] br0: port 1(dummy0) entered disabled state