[ 1790.952519][ T7525] br0: port 1(dummy0) entered blocking state
[ 1790.952696][ T7525] br0: port 1(dummy0) entered disabled state
[ 1790.952857][ T7525] dummy0: entered allmulticast mode
[ 1790.953415][ T7525] dummy0: entered promiscuous mode
[ 1790.970666][ T7526] br0: port 1(dummy0) entered blocking state
[ 1790.970791][ T7526] br0: port 1(dummy0) entered forwarding state
[ 1792.142736][   T69] dummy0: left allmulticast mode
[ 1792.142874][   T69] dummy0: left promiscuous mode
[ 1792.143033][   T69] br0: port 1(dummy0) entered disabled state