[ 2190.390518][T27663] br0: port 1(dummy0) entered blocking state
[ 2190.390703][T27663] br0: port 1(dummy0) entered disabled state
[ 2190.390863][T27663] dummy0: entered allmulticast mode
[ 2190.391826][T27663] dummy0: entered promiscuous mode
[ 2190.414989][T27664] br0: port 1(dummy0) entered blocking state
[ 2190.415422][T27664] br0: port 1(dummy0) entered forwarding state
[ 2192.617429][   T12] dummy0: left allmulticast mode
[ 2192.618090][   T12] dummy0: left promiscuous mode
[ 2192.618358][   T12] br0: port 1(dummy0) entered disabled state