[ 1959.582141][T11092] br0: port 1(dummy0) entered blocking state
[ 1959.582335][T11092] br0: port 1(dummy0) entered disabled state
[ 1959.582500][T11092] dummy0: entered allmulticast mode
[ 1959.583339][T11092] dummy0: entered promiscuous mode
[ 1959.605001][T11093] br0: port 1(dummy0) entered blocking state
[ 1959.605704][T11093] br0: port 1(dummy0) entered forwarding state
[ 1961.552729][   T69] dummy0: left allmulticast mode
[ 1961.552883][   T69] dummy0: left promiscuous mode
[ 1961.553084][   T69] br0: port 1(dummy0) entered disabled state