[ 2124.562279][T29960] br0: port 1(dummy0) entered blocking state
[ 2124.562471][T29960] br0: port 1(dummy0) entered disabled state
[ 2124.562629][T29960] dummy0: entered allmulticast mode
[ 2124.563625][T29960] dummy0: entered promiscuous mode
[ 2124.598408][T29961] br0: port 1(dummy0) entered blocking state
[ 2124.598906][T29961] br0: port 1(dummy0) entered forwarding state
[ 2126.839346][   T12] dummy0: left allmulticast mode
[ 2126.840078][   T12] dummy0: left promiscuous mode
[ 2126.840308][   T12] br0: port 1(dummy0) entered disabled state