[ 1762.660048] br0: port 1(dummy0) entered blocking state
[ 1762.660076] br0: port 1(dummy0) entered disabled state
[ 1762.660095] dummy0: entered allmulticast mode
[ 1762.660133] dummy0: entered promiscuous mode
[ 1762.662810] br0: port 1(dummy0) entered blocking state
[ 1762.662833] br0: port 1(dummy0) entered forwarding state
[ 1762.853836] dummy0: left allmulticast mode
[ 1762.853861] dummy0: left promiscuous mode
[ 1762.853879] br0: port 1(dummy0) entered disabled state