[ 1694.091982] br0: port 1(dummy0) entered blocking state
[ 1694.092016] br0: port 1(dummy0) entered disabled state
[ 1694.092058] dummy0: entered allmulticast mode
[ 1694.092107] dummy0: entered promiscuous mode
[ 1694.095413] br0: port 1(dummy0) entered blocking state
[ 1694.095476] br0: port 1(dummy0) entered forwarding state
[ 1694.301281] dummy0: left allmulticast mode
[ 1694.301317] dummy0: left promiscuous mode
[ 1694.301376] br0: port 1(dummy0) entered disabled state