[ 2088.192831][ T9145] br0: port 1(dummy0) entered blocking state
[ 2088.193008][ T9145] br0: port 1(dummy0) entered disabled state
[ 2088.193159][ T9145] dummy0: entered allmulticast mode
[ 2088.194151][ T9145] dummy0: entered promiscuous mode
[ 2088.223342][ T9146] br0: port 1(dummy0) entered blocking state
[ 2088.223614][ T9146] br0: port 1(dummy0) entered forwarding state
[ 2090.081858][   T12] dummy0: left allmulticast mode
[ 2090.082133][   T12] dummy0: left promiscuous mode
[ 2090.082322][   T12] br0: port 1(dummy0) entered disabled state