[ 2369.652256][  T715] br0: port 1(dummy0) entered blocking state
[ 2369.652568][  T715] br0: port 1(dummy0) entered disabled state
[ 2369.652844][  T715] dummy0: entered allmulticast mode
[ 2369.655213][  T715] dummy0: entered promiscuous mode
[ 2369.683675][  T716] br0: port 1(dummy0) entered blocking state
[ 2369.684428][  T716] br0: port 1(dummy0) entered forwarding state
[ 2372.188412][   T12] dummy0: left allmulticast mode
[ 2372.189299][   T12] dummy0: left promiscuous mode
[ 2372.189639][   T12] br0: port 1(dummy0) entered disabled state