[ 1925.983826] br0: port 1(dummy0) entered blocking state
[ 1925.983854] br0: port 1(dummy0) entered disabled state
[ 1925.983877] dummy0: entered allmulticast mode
[ 1925.983913] dummy0: entered promiscuous mode
[ 1925.986392] br0: port 1(dummy0) entered blocking state
[ 1925.986410] br0: port 1(dummy0) entered forwarding state
[ 1926.156338] dummy0: left allmulticast mode
[ 1926.156358] dummy0: left promiscuous mode
[ 1926.156377] br0: port 1(dummy0) entered disabled state