[ 2103.857069][ T7194] br0: port 1(dummy0) entered blocking state
[ 2103.857374][ T7194] br0: port 1(dummy0) entered disabled state
[ 2103.857657][ T7194] dummy0: entered allmulticast mode
[ 2103.858654][ T7194] dummy0: entered promiscuous mode
[ 2103.884748][ T7195] br0: port 1(dummy0) entered blocking state
[ 2103.885631][ T7195] br0: port 1(dummy0) entered forwarding state
[ 2106.266574][   T12] dummy0: left allmulticast mode
[ 2106.267488][   T12] dummy0: left promiscuous mode
[ 2106.267832][   T12] br0: port 1(dummy0) entered disabled state