[ 1959.429436][T20195] br0: port 1(dummy0) entered blocking state
[ 1959.429666][T20195] br0: port 1(dummy0) entered disabled state
[ 1959.430363][T20195] dummy0: entered allmulticast mode
[ 1959.431311][T20195] dummy0: entered promiscuous mode
[ 1959.458573][T20196] br0: port 1(dummy0) entered blocking state
[ 1959.458919][T20196] br0: port 1(dummy0) entered forwarding state
[ 1961.478655][   T70] dummy0: left allmulticast mode
[ 1961.479619][   T70] dummy0: left promiscuous mode
[ 1961.479869][   T70] br0: port 1(dummy0) entered disabled state