[ 2143.909019][T18224] br0: port 1(dummy0) entered blocking state
[ 2143.909249][T18224] br0: port 1(dummy0) entered disabled state
[ 2143.909470][T18224] dummy0: entered allmulticast mode
[ 2143.910836][T18224] dummy0: entered promiscuous mode
[ 2143.933035][T18225] br0: port 1(dummy0) entered blocking state
[ 2143.933335][T18225] br0: port 1(dummy0) entered forwarding state
[ 2145.797440][   T68] dummy0: left allmulticast mode
[ 2145.798115][   T68] dummy0: left promiscuous mode
[ 2145.798344][   T68] br0: port 1(dummy0) entered disabled state