[ 1798.121668] br0: port 1(dummy0) entered blocking state
[ 1798.121710] br0: port 1(dummy0) entered disabled state
[ 1798.121747] dummy0: entered allmulticast mode
[ 1798.121802] dummy0: entered promiscuous mode
[ 1798.125216] br0: port 1(dummy0) entered blocking state
[ 1798.125278] br0: port 1(dummy0) entered forwarding state
[ 1798.370471] dummy0: left allmulticast mode
[ 1798.370508] dummy0: left promiscuous mode
[ 1798.370586] br0: port 1(dummy0) entered disabled state