[ 1725.769707] br0: port 1(dummy0) entered blocking state
[ 1725.769760] br0: port 1(dummy0) entered disabled state
[ 1725.769801] dummy0: entered allmulticast mode
[ 1725.769864] dummy0: entered promiscuous mode
[ 1725.772820] br0: port 1(dummy0) entered blocking state
[ 1725.772885] br0: port 1(dummy0) entered forwarding state
[ 1725.982699] dummy0: left allmulticast mode
[ 1725.982736] dummy0: left promiscuous mode
[ 1725.982761] br0: port 1(dummy0) entered disabled state