[ 1960.022366][T19004] br0: port 1(dummy0) entered blocking state
[ 1960.022552][T19004] br0: port 1(dummy0) entered disabled state
[ 1960.022713][T19004] dummy0: entered allmulticast mode
[ 1960.023854][T19004] dummy0: entered promiscuous mode
[ 1960.052591][T19005] br0: port 1(dummy0) entered blocking state
[ 1960.053098][T19005] br0: port 1(dummy0) entered forwarding state
[ 1961.952810][   T68] dummy0: left allmulticast mode
[ 1961.953560][   T68] dummy0: left promiscuous mode
[ 1961.953791][   T68] br0: port 1(dummy0) entered disabled state