[ 2032.326577][ T6690] br0: port 1(dummy0) entered blocking state
[ 2032.326792][ T6690] br0: port 1(dummy0) entered disabled state
[ 2032.327007][ T6690] dummy0: entered allmulticast mode
[ 2032.327990][ T6690] dummy0: entered promiscuous mode
[ 2032.351702][ T6691] br0: port 1(dummy0) entered blocking state
[ 2032.352117][ T6691] br0: port 1(dummy0) entered forwarding state
[ 2034.294055][   T70] dummy0: left allmulticast mode
[ 2034.294675][   T70] dummy0: left promiscuous mode
[ 2034.294913][   T70] br0: port 1(dummy0) entered disabled state