[ 2184.138297][T27725] br0: port 1(dummy0) entered blocking state
[ 2184.138662][T27725] br0: port 1(dummy0) entered disabled state
[ 2184.139005][T27725] dummy0: entered allmulticast mode
[ 2184.140196][T27725] dummy0: entered promiscuous mode
[ 2184.172668][T27726] br0: port 1(dummy0) entered blocking state
[ 2184.173274][T27726] br0: port 1(dummy0) entered forwarding state
[ 2186.716609][   T12] dummy0: left allmulticast mode
[ 2186.717593][   T12] dummy0: left promiscuous mode
[ 2186.717935][   T12] br0: port 1(dummy0) entered disabled state