[ 1795.344037] br0: port 1(dummy0) entered blocking state
[ 1795.344114] br0: port 1(dummy0) entered disabled state
[ 1795.344184] dummy0: entered allmulticast mode
[ 1795.344277] dummy0: entered promiscuous mode
[ 1795.347560] br0: port 1(dummy0) entered blocking state
[ 1795.347593] br0: port 1(dummy0) entered forwarding state
[ 1795.570069] dummy0: left allmulticast mode
[ 1795.570137] dummy0: left promiscuous mode
[ 1795.570232] br0: port 1(dummy0) entered disabled state