[ 2001.582661][T10806] br0: port 1(dummy0) entered blocking state
[ 2001.583265][T10806] br0: port 1(dummy0) entered disabled state
[ 2001.583431][T10806] dummy0: entered allmulticast mode
[ 2001.584415][T10806] dummy0: entered promiscuous mode
[ 2001.607942][T10807] br0: port 1(dummy0) entered blocking state
[ 2001.608204][T10807] br0: port 1(dummy0) entered forwarding state
[ 2003.656382][   T12] dummy0: left allmulticast mode
[ 2003.656728][   T12] dummy0: left promiscuous mode
[ 2003.657601][   T12] br0: port 1(dummy0) entered disabled state