[ 2115.119508][T31244] br0: port 1(dummy0) entered blocking state
[ 2115.119708][T31244] br0: port 1(dummy0) entered disabled state
[ 2115.119879][T31244] dummy0: entered allmulticast mode
[ 2115.120888][T31244] dummy0: entered promiscuous mode
[ 2115.142678][T31245] br0: port 1(dummy0) entered blocking state
[ 2115.142962][T31245] br0: port 1(dummy0) entered forwarding state
[ 2117.054912][   T12] dummy0: left allmulticast mode
[ 2117.055221][   T12] dummy0: left promiscuous mode
[ 2117.055436][   T12] br0: port 1(dummy0) entered disabled state