[ 2096.431169][ T9030] br0: port 1(dummy0) entered blocking state
[ 2096.431369][ T9030] br0: port 1(dummy0) entered disabled state
[ 2096.431546][ T9030] dummy0: entered allmulticast mode
[ 2096.432707][ T9030] dummy0: entered promiscuous mode
[ 2096.456770][ T9031] br0: port 1(dummy0) entered blocking state
[ 2096.457056][ T9031] br0: port 1(dummy0) entered forwarding state
[ 2098.486612][   T70] dummy0: left allmulticast mode
[ 2098.486906][   T70] dummy0: left promiscuous mode
[ 2098.487137][   T70] br0: port 1(dummy0) entered disabled state