[ 1762.883066] br0: port 1(dummy0) entered blocking state
[ 1762.883098] br0: port 1(dummy0) entered disabled state
[ 1762.883129] dummy0: entered allmulticast mode
[ 1762.883185] dummy0: entered promiscuous mode
[ 1762.886937] br0: port 1(dummy0) entered blocking state
[ 1762.886972] br0: port 1(dummy0) entered forwarding state
[ 1763.174586] dummy0: left allmulticast mode
[ 1763.174613] dummy0: left promiscuous mode
[ 1763.174640] br0: port 1(dummy0) entered disabled state