[ 2088.434319][T12008] br0: port 1(dummy0) entered blocking state
[ 2088.434524][T12008] br0: port 1(dummy0) entered disabled state
[ 2088.434699][T12008] dummy0: entered allmulticast mode
[ 2088.435625][T12008] dummy0: entered promiscuous mode
[ 2088.456003][T12009] br0: port 1(dummy0) entered blocking state
[ 2088.456336][T12009] br0: port 1(dummy0) entered forwarding state
[ 2090.470032][   T70] dummy0: left allmulticast mode
[ 2090.470204][   T70] dummy0: left promiscuous mode
[ 2090.470437][   T70] br0: port 1(dummy0) entered disabled state