[ 1645.302942] br0: port 1(dummy0) entered blocking state
[ 1645.302980] br0: port 1(dummy0) entered disabled state
[ 1645.303017] dummy0: entered allmulticast mode
[ 1645.303067] dummy0: entered promiscuous mode
[ 1645.306500] br0: port 1(dummy0) entered blocking state
[ 1645.306564] br0: port 1(dummy0) entered forwarding state
[ 1645.527426] dummy0: left allmulticast mode
[ 1645.527454] dummy0: left promiscuous mode
[ 1645.527486] br0: port 1(dummy0) entered disabled state