[ 1632.809816] br0: port 1(dummy0) entered blocking state
[ 1632.809862] br0: port 1(dummy0) entered disabled state
[ 1632.809902] dummy0: entered allmulticast mode
[ 1632.809952] dummy0: entered promiscuous mode
[ 1632.812511] br0: port 1(dummy0) entered blocking state
[ 1632.812546] br0: port 1(dummy0) entered forwarding state
[ 1633.000798] dummy0: left allmulticast mode
[ 1633.000901] dummy0: left promiscuous mode
[ 1633.000968] br0: port 1(dummy0) entered disabled state