[ 1716.608522] br0: port 1(dummy0) entered blocking state
[ 1716.608567] br0: port 1(dummy0) entered disabled state
[ 1716.608596] dummy0: entered allmulticast mode
[ 1716.608651] dummy0: entered promiscuous mode
[ 1716.612050] br0: port 1(dummy0) entered blocking state
[ 1716.612083] br0: port 1(dummy0) entered forwarding state
[ 1716.843507] dummy0: left allmulticast mode
[ 1716.843574] dummy0: left promiscuous mode
[ 1716.843686] br0: port 1(dummy0) entered disabled state