[ 2064.364548][ T9707] br0: port 1(dummy0) entered blocking state
[ 2064.364724][ T9707] br0: port 1(dummy0) entered disabled state
[ 2064.364882][ T9707] dummy0: entered allmulticast mode
[ 2064.365445][ T9707] dummy0: entered promiscuous mode
[ 2064.378958][ T9708] br0: port 1(dummy0) entered blocking state
[ 2064.379097][ T9708] br0: port 1(dummy0) entered forwarding state
[ 2065.575225][   T70] dummy0: left allmulticast mode
[ 2065.575367][   T70] dummy0: left promiscuous mode
[ 2065.575522][   T70] br0: port 1(dummy0) entered disabled state