[ 2146.578823][T24116] br0: port 1(dummy0) entered blocking state
[ 2146.579027][T24116] br0: port 1(dummy0) entered disabled state
[ 2146.579196][T24116] dummy0: entered allmulticast mode
[ 2146.580216][T24116] dummy0: entered promiscuous mode
[ 2146.603103][T24117] br0: port 1(dummy0) entered blocking state
[ 2146.603379][T24117] br0: port 1(dummy0) entered forwarding state
[ 2148.514387][   T12] dummy0: left allmulticast mode
[ 2148.514649][   T12] dummy0: left promiscuous mode
[ 2148.515268][   T12] br0: port 1(dummy0) entered disabled state