[ 2062.955872][ T9510] br0: port 1(dummy0) entered blocking state
[ 2062.956180][ T9510] br0: port 1(dummy0) entered disabled state
[ 2062.956457][ T9510] dummy0: entered allmulticast mode
[ 2062.957874][ T9510] dummy0: entered promiscuous mode
[ 2062.989793][ T9511] br0: port 1(dummy0) entered blocking state
[ 2062.990305][ T9511] br0: port 1(dummy0) entered forwarding state
[ 2065.437024][   T68] dummy0: left allmulticast mode
[ 2065.438183][   T68] dummy0: left promiscuous mode
[ 2065.438607][   T68] br0: port 1(dummy0) entered disabled state