[ 2051.887402][T24688] br0: port 1(dummy0) entered blocking state
[ 2051.887594][T24688] br0: port 1(dummy0) entered disabled state
[ 2051.887762][T24688] dummy0: entered allmulticast mode
[ 2051.889206][T24688] dummy0: entered promiscuous mode
[ 2051.913863][T24689] br0: port 1(dummy0) entered blocking state
[ 2051.914414][T24689] br0: port 1(dummy0) entered forwarding state
[ 2054.177692][   T68] dummy0: left allmulticast mode
[ 2054.178362][   T68] dummy0: left promiscuous mode
[ 2054.178595][   T68] br0: port 1(dummy0) entered disabled state