[ 2388.321351][T30561] br0: port 1(dummy0) entered blocking state
[ 2388.321644][T30561] br0: port 1(dummy0) entered disabled state
[ 2388.321916][T30561] dummy0: entered allmulticast mode
[ 2388.322985][T30561] dummy0: entered promiscuous mode
[ 2388.349497][T30562] br0: port 1(dummy0) entered blocking state
[ 2388.350007][T30562] br0: port 1(dummy0) entered forwarding state
[ 2390.665927][   T72] dummy0: left allmulticast mode
[ 2390.666663][   T72] dummy0: left promiscuous mode
[ 2390.667008][   T72] br0: port 1(dummy0) entered disabled state