[ 2316.332207][T29501] br0: port 1(dummy0) entered blocking state
[ 2316.332554][T29501] br0: port 1(dummy0) entered disabled state
[ 2316.332915][T29501] dummy0: entered allmulticast mode
[ 2316.333953][T29501] dummy0: entered promiscuous mode
[ 2316.361076][T29502] br0: port 1(dummy0) entered blocking state
[ 2316.361391][T29502] br0: port 1(dummy0) entered forwarding state
[ 2318.797164][   T69] dummy0: left allmulticast mode
[ 2318.797440][   T69] dummy0: left promiscuous mode
[ 2318.797751][   T69] br0: port 1(dummy0) entered disabled state