[ 1953.099227][T24671] br0: port 1(dummy0) entered blocking state
[ 1953.099459][T24671] br0: port 1(dummy0) entered disabled state
[ 1953.100121][T24671] dummy0: entered allmulticast mode
[ 1953.101169][T24671] dummy0: entered promiscuous mode
[ 1953.124156][T24672] br0: port 1(dummy0) entered blocking state
[ 1953.124409][T24672] br0: port 1(dummy0) entered forwarding state
[ 1955.098861][   T12] dummy0: left allmulticast mode
[ 1955.099974][   T12] dummy0: left promiscuous mode
[ 1955.100281][   T12] br0: port 1(dummy0) entered disabled state