[ 1857.609424][T27140] br0: port 1(dummy0) entered blocking state
[ 1857.609608][T27140] br0: port 1(dummy0) entered disabled state
[ 1857.609977][T27140] dummy0: entered allmulticast mode
[ 1857.610957][T27140] dummy0: entered promiscuous mode
[ 1857.639915][T27141] br0: port 1(dummy0) entered blocking state
[ 1857.640168][T27141] br0: port 1(dummy0) entered forwarding state
[ 1859.506367][   T12] dummy0: left allmulticast mode
[ 1859.507084][   T12] dummy0: left promiscuous mode
[ 1859.507301][   T12] br0: port 1(dummy0) entered disabled state