[ 1911.615415][T17865] br0: port 1(dummy0) entered blocking state
[ 1911.615631][T17865] br0: port 1(dummy0) entered disabled state
[ 1911.615802][T17865] dummy0: entered allmulticast mode
[ 1911.623942][T17865] dummy0: entered promiscuous mode
[ 1911.643833][T17866] br0: port 1(dummy0) entered blocking state
[ 1911.644081][T17866] br0: port 1(dummy0) entered forwarding state
[ 1913.514395][   T70] dummy0: left allmulticast mode
[ 1913.514697][   T70] dummy0: left promiscuous mode
[ 1913.514912][   T70] br0: port 1(dummy0) entered disabled state