[ 1895.645145] br0: port 1(dummy0) entered blocking state
[ 1895.645186] br0: port 1(dummy0) entered disabled state
[ 1895.645223] dummy0: entered allmulticast mode
[ 1895.645274] dummy0: entered promiscuous mode
[ 1895.648722] br0: port 1(dummy0) entered blocking state
[ 1895.648753] br0: port 1(dummy0) entered forwarding state
[ 1895.893785] dummy0: left allmulticast mode
[ 1895.893819] dummy0: left promiscuous mode
[ 1895.893846] br0: port 1(dummy0) entered disabled state