[ 1798.598004] br0: port 1(dummy0) entered blocking state
[ 1798.598047] br0: port 1(dummy0) entered disabled state
[ 1798.598083] dummy0: entered allmulticast mode
[ 1798.598135] dummy0: entered promiscuous mode
[ 1798.601487] br0: port 1(dummy0) entered blocking state
[ 1798.601519] br0: port 1(dummy0) entered forwarding state
[ 1798.817012] dummy0: left allmulticast mode
[ 1798.817053] dummy0: left promiscuous mode
[ 1798.817083] br0: port 1(dummy0) entered disabled state