[ 2043.628100] br0: port 1(dummy0) entered blocking state
[ 2043.628134] br0: port 1(dummy0) entered disabled state
[ 2043.628170] dummy0: entered allmulticast mode
[ 2043.628219] dummy0: entered promiscuous mode
[ 2043.631823] br0: port 1(dummy0) entered blocking state
[ 2043.631887] br0: port 1(dummy0) entered forwarding state
[ 2043.883197] dummy0: left allmulticast mode
[ 2043.883230] dummy0: left promiscuous mode
[ 2043.883262] br0: port 1(dummy0) entered disabled state