[ 2347.627913][T12432] br0: port 1(dummy0) entered blocking state
[ 2347.628197][T12432] br0: port 1(dummy0) entered disabled state
[ 2347.628465][T12432] dummy0: entered allmulticast mode
[ 2347.629445][T12432] dummy0: entered promiscuous mode
[ 2347.662448][T12433] br0: port 1(dummy0) entered blocking state
[ 2347.662745][T12433] br0: port 1(dummy0) entered forwarding state
[ 2350.161965][   T12] dummy0: left allmulticast mode
[ 2350.162222][   T12] dummy0: left promiscuous mode
[ 2350.162522][   T12] br0: port 1(dummy0) entered disabled state