[ 2202.881717][T21615] br0: port 1(dummy0) entered blocking state
[ 2202.881898][T21615] br0: port 1(dummy0) entered disabled state
[ 2202.882067][T21615] dummy0: entered allmulticast mode
[ 2202.883027][T21615] dummy0: entered promiscuous mode
[ 2202.921431][T21616] br0: port 1(dummy0) entered blocking state
[ 2202.921709][T21616] br0: port 1(dummy0) entered forwarding state
[ 2205.320346][   T12] dummy0: left allmulticast mode
[ 2205.320827][   T12] dummy0: left promiscuous mode
[ 2205.321173][   T12] br0: port 1(dummy0) entered disabled state