[ 2141.474968][T17530] br0: port 1(dummy0) entered blocking state
[ 2141.475156][T17530] br0: port 1(dummy0) entered disabled state
[ 2141.475320][T17530] dummy0: entered allmulticast mode
[ 2141.476539][T17530] dummy0: entered promiscuous mode
[ 2141.510107][T17531] br0: port 1(dummy0) entered blocking state
[ 2141.510366][T17531] br0: port 1(dummy0) entered forwarding state
[ 2143.409920][T26281] dummy0: left allmulticast mode
[ 2143.411076][T26281] dummy0: left promiscuous mode
[ 2143.411371][T26281] br0: port 1(dummy0) entered disabled state