[ 1974.410203][T22062] br0: port 1(dummy0) entered blocking state
[ 1974.410393][T22062] br0: port 1(dummy0) entered disabled state
[ 1974.410559][T22062] dummy0: entered allmulticast mode
[ 1974.411430][T22062] dummy0: entered promiscuous mode
[ 1974.435703][T22063] br0: port 1(dummy0) entered blocking state
[ 1974.435877][T22063] br0: port 1(dummy0) entered forwarding state
[ 1976.457351][   T68] dummy0: left allmulticast mode
[ 1976.457541][   T68] dummy0: left promiscuous mode
[ 1976.457791][   T68] br0: port 1(dummy0) entered disabled state