[ 2069.026324][T27730] br0: port 1(dummy0) entered blocking state
[ 2069.026513][T27730] br0: port 1(dummy0) entered disabled state
[ 2069.026681][T27730] dummy0: entered allmulticast mode
[ 2069.027536][T27730] dummy0: entered promiscuous mode
[ 2069.056096][T27731] br0: port 1(dummy0) entered blocking state
[ 2069.056311][T27731] br0: port 1(dummy0) entered forwarding state
[ 2071.028644][   T69] dummy0: left allmulticast mode
[ 2071.030059][   T69] dummy0: left promiscuous mode
[ 2071.030310][   T69] br0: port 1(dummy0) entered disabled state