[ 2327.580991][T25857] br0: port 1(dummy0) entered blocking state
[ 2327.581212][T25857] br0: port 1(dummy0) entered disabled state
[ 2327.581445][T25857] dummy0: entered allmulticast mode
[ 2327.584109][T25857] dummy0: entered promiscuous mode
[ 2327.614125][T25858] br0: port 1(dummy0) entered blocking state
[ 2327.614571][T25858] br0: port 1(dummy0) entered forwarding state
[ 2329.976391][   T12] dummy0: left allmulticast mode
[ 2329.977438][   T12] dummy0: left promiscuous mode
[ 2329.977693][   T12] br0: port 1(dummy0) entered disabled state