[ 2352.530212][T17715] br0: port 1(dummy0) entered blocking state
[ 2352.530520][T17715] br0: port 1(dummy0) entered disabled state
[ 2352.530813][T17715] dummy0: entered allmulticast mode
[ 2352.531793][T17715] dummy0: entered promiscuous mode
[ 2352.573895][T17716] br0: port 1(dummy0) entered blocking state
[ 2352.574414][T17716] br0: port 1(dummy0) entered forwarding state
[ 2354.919476][   T70] dummy0: left allmulticast mode
[ 2354.922075][   T70] dummy0: left promiscuous mode
[ 2354.922400][   T70] br0: port 1(dummy0) entered disabled state