[ 1824.736108][ T3328] br0: port 1(dummy0) entered blocking state
[ 1824.736323][ T3328] br0: port 1(dummy0) entered disabled state
[ 1824.736500][ T3328] dummy0: entered allmulticast mode
[ 1824.737684][ T3328] dummy0: entered promiscuous mode
[ 1824.765752][ T3329] br0: port 1(dummy0) entered blocking state
[ 1824.766050][ T3329] br0: port 1(dummy0) entered forwarding state
[ 1826.620401][   T12] dummy0: left allmulticast mode
[ 1826.620773][   T12] dummy0: left promiscuous mode
[ 1826.621050][   T12] br0: port 1(dummy0) entered disabled state