[ 2003.089721][ T6675] br0: port 1(dummy0) entered blocking state
[ 2003.089925][ T6675] br0: port 1(dummy0) entered disabled state
[ 2003.090081][ T6675] dummy0: entered allmulticast mode
[ 2003.090952][ T6675] dummy0: entered promiscuous mode
[ 2003.113607][ T6676] br0: port 1(dummy0) entered blocking state
[ 2003.113817][ T6676] br0: port 1(dummy0) entered forwarding state
[ 2005.102757][   T12] dummy0: left allmulticast mode
[ 2005.102946][   T12] dummy0: left promiscuous mode
[ 2005.103174][   T12] br0: port 1(dummy0) entered disabled state