[ 1762.620668] br0: port 1(dummy0) entered blocking state
[ 1762.620733] br0: port 1(dummy0) entered disabled state
[ 1762.620803] dummy0: entered allmulticast mode
[ 1762.620886] dummy0: entered promiscuous mode
[ 1762.624251] br0: port 1(dummy0) entered blocking state
[ 1762.624284] br0: port 1(dummy0) entered forwarding state
[ 1762.879173] dummy0: left allmulticast mode
[ 1762.879242] dummy0: left promiscuous mode
[ 1762.879277] br0: port 1(dummy0) entered disabled state