[ 1986.216137][T31214] br0: port 1(dummy0) entered blocking state
[ 1986.216355][T31214] br0: port 1(dummy0) entered disabled state
[ 1986.216524][T31214] dummy0: entered allmulticast mode
[ 1986.218120][T31214] dummy0: entered promiscuous mode
[ 1986.242579][T31215] br0: port 1(dummy0) entered blocking state
[ 1986.242874][T31215] br0: port 1(dummy0) entered forwarding state
[ 1988.514572][   T12] dummy0: left allmulticast mode
[ 1988.515567][   T12] dummy0: left promiscuous mode
[ 1988.515836][   T12] br0: port 1(dummy0) entered disabled state