[ 1958.464175] br0: port 1(dummy0) entered blocking state
[ 1958.464232] br0: port 1(dummy0) entered disabled state
[ 1958.464285] dummy0: entered allmulticast mode
[ 1958.464354] dummy0: entered promiscuous mode
[ 1958.467925] br0: port 1(dummy0) entered blocking state
[ 1958.467950] br0: port 1(dummy0) entered forwarding state
[ 1958.716693] dummy0: left allmulticast mode
[ 1958.716716] dummy0: left promiscuous mode
[ 1958.716738] br0: port 1(dummy0) entered disabled state