[ 2149.540317][T27037] br0: port 1(dummy0) entered blocking state
[ 2149.540558][T27037] br0: port 1(dummy0) entered disabled state
[ 2149.540774][T27037] dummy0: entered allmulticast mode
[ 2149.541873][T27037] dummy0: entered promiscuous mode
[ 2149.567344][T27038] br0: port 1(dummy0) entered blocking state
[ 2149.567874][T27038] br0: port 1(dummy0) entered forwarding state
[ 2151.989063][   T12] dummy0: left allmulticast mode
[ 2151.989880][   T12] dummy0: left promiscuous mode
[ 2151.990107][   T12] br0: port 1(dummy0) entered disabled state