[ 2319.932099][ T9558] br0: port 1(dummy0) entered blocking state
[ 2319.932441][ T9558] br0: port 1(dummy0) entered disabled state
[ 2319.932767][ T9558] dummy0: entered allmulticast mode
[ 2319.933844][ T9558] dummy0: entered promiscuous mode
[ 2319.961169][ T9559] br0: port 1(dummy0) entered blocking state
[ 2319.961461][ T9559] br0: port 1(dummy0) entered forwarding state
[ 2322.468343][   T71] dummy0: left allmulticast mode
[ 2322.468644][   T71] dummy0: left promiscuous mode
[ 2322.468971][   T71] br0: port 1(dummy0) entered disabled state