[ 2078.289480][T17576] br0: port 1(dummy0) entered blocking state
[ 2078.289713][T17576] br0: port 1(dummy0) entered disabled state
[ 2078.289932][T17576] dummy0: entered allmulticast mode
[ 2078.291041][T17576] dummy0: entered promiscuous mode
[ 2078.316114][T17577] br0: port 1(dummy0) entered blocking state
[ 2078.316359][T17577] br0: port 1(dummy0) entered forwarding state
[ 2080.686240][   T12] dummy0: left allmulticast mode
[ 2080.687243][   T12] dummy0: left promiscuous mode
[ 2080.687522][   T12] br0: port 1(dummy0) entered disabled state