[ 1738.007898] br0: port 1(dummy0) entered blocking state
[ 1738.007940] br0: port 1(dummy0) entered disabled state
[ 1738.007977] dummy0: entered allmulticast mode
[ 1738.008027] dummy0: entered promiscuous mode
[ 1738.010789] br0: port 1(dummy0) entered blocking state
[ 1738.010819] br0: port 1(dummy0) entered forwarding state
[ 1738.190906] dummy0: left allmulticast mode
[ 1738.190937] dummy0: left promiscuous mode
[ 1738.190972] br0: port 1(dummy0) entered disabled state