[ 2280.169151][ T3059] br0: port 1(dummy0) entered blocking state
[ 2280.169453][ T3059] br0: port 1(dummy0) entered disabled state
[ 2280.169725][ T3059] dummy0: entered allmulticast mode
[ 2280.170848][ T3059] dummy0: entered promiscuous mode
[ 2280.206315][ T3060] br0: port 1(dummy0) entered blocking state
[ 2280.206696][ T3060] br0: port 1(dummy0) entered forwarding state
[ 2282.685449][   T70] dummy0: left allmulticast mode
[ 2282.686296][   T70] dummy0: left promiscuous mode
[ 2282.686635][   T70] br0: port 1(dummy0) entered disabled state