[ 1854.678181][T24825] br0: port 1(dummy0) entered blocking state
[ 1854.678416][T24825] br0: port 1(dummy0) entered disabled state
[ 1854.678633][T24825] dummy0: entered allmulticast mode
[ 1854.679570][T24825] dummy0: entered promiscuous mode
[ 1854.702634][T24826] br0: port 1(dummy0) entered blocking state
[ 1854.702933][T24826] br0: port 1(dummy0) entered forwarding state
[ 1856.568141][   T12] dummy0: left allmulticast mode
[ 1856.568614][   T12] dummy0: left promiscuous mode
[ 1856.568833][   T12] br0: port 1(dummy0) entered disabled state