[ 1762.515954] br0: port 1(dummy0) entered blocking state
[ 1762.515990] br0: port 1(dummy0) entered disabled state
[ 1762.516022] dummy0: entered allmulticast mode
[ 1762.516082] dummy0: entered promiscuous mode
[ 1762.518515] br0: port 1(dummy0) entered blocking state
[ 1762.518549] br0: port 1(dummy0) entered forwarding state
[ 1762.694027] dummy0: left allmulticast mode
[ 1762.694084] dummy0: left promiscuous mode
[ 1762.694117] br0: port 1(dummy0) entered disabled state