[ 2043.726373][T17471] br0: port 1(dummy0) entered blocking state
[ 2043.726572][T17471] br0: port 1(dummy0) entered disabled state
[ 2043.726734][T17471] dummy0: entered allmulticast mode
[ 2043.727621][T17471] dummy0: entered promiscuous mode
[ 2043.756278][T17472] br0: port 1(dummy0) entered blocking state
[ 2043.756463][T17472] br0: port 1(dummy0) entered forwarding state
[ 2045.747099][   T12] dummy0: left allmulticast mode
[ 2045.748103][   T12] dummy0: left promiscuous mode
[ 2045.748344][   T12] br0: port 1(dummy0) entered disabled state