[ 2063.834313][T15143] br0: port 1(dummy0) entered blocking state
[ 2063.834541][T15143] br0: port 1(dummy0) entered disabled state
[ 2063.835160][T15143] dummy0: entered allmulticast mode
[ 2063.836235][T15143] dummy0: entered promiscuous mode
[ 2063.867328][T15144] br0: port 1(dummy0) entered blocking state
[ 2063.867610][T15144] br0: port 1(dummy0) entered forwarding state
[ 2065.816881][   T12] dummy0: left allmulticast mode
[ 2065.817578][   T12] dummy0: left promiscuous mode
[ 2065.817831][   T12] br0: port 1(dummy0) entered disabled state