[ 2146.845147][T14350] br0: port 1(dummy0) entered blocking state
[ 2146.845335][T14350] br0: port 1(dummy0) entered disabled state
[ 2146.845814][T14350] dummy0: entered allmulticast mode
[ 2146.846799][T14350] dummy0: entered promiscuous mode
[ 2146.883741][T14351] br0: port 1(dummy0) entered blocking state
[ 2146.883969][T14351] br0: port 1(dummy0) entered forwarding state
[ 2149.144701][   T12] dummy0: left allmulticast mode
[ 2149.145675][   T12] dummy0: left promiscuous mode
[ 2149.146110][   T12] br0: port 1(dummy0) entered disabled state