[ 2139.020850][ T1001] br0: port 1(dummy0) entered blocking state
[ 2139.021055][ T1001] br0: port 1(dummy0) entered disabled state
[ 2139.021215][ T1001] dummy0: entered allmulticast mode
[ 2139.022092][ T1001] dummy0: entered promiscuous mode
[ 2139.049994][ T1002] br0: port 1(dummy0) entered blocking state
[ 2139.050255][ T1002] br0: port 1(dummy0) entered forwarding state
[ 2141.051345][   T70] dummy0: left allmulticast mode
[ 2141.052369][   T70] dummy0: left promiscuous mode
[ 2141.052713][   T70] br0: port 1(dummy0) entered disabled state