[ 1799.727124] br0: port 1(dummy0) entered blocking state
[ 1799.727174] br0: port 1(dummy0) entered disabled state
[ 1799.727203] dummy0: entered allmulticast mode
[ 1799.727264] dummy0: entered promiscuous mode
[ 1799.730891] br0: port 1(dummy0) entered blocking state
[ 1799.730954] br0: port 1(dummy0) entered forwarding state
[ 1799.998810] dummy0: left allmulticast mode
[ 1799.998849] dummy0: left promiscuous mode
[ 1799.998904] br0: port 1(dummy0) entered disabled state